3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7820108 | Marker detection method and apparatus to monitor drug compliance The present invention includes a method and apparatus for monitoring drug compliance by detecting markers, such as odors, upon exhalation by a patient after medication is taken, wherein such markers result either directly from the medication itself or from an additi... | 10/26/2010 |
| 7421882 | Breath-based sensors for non-invasive molecular detection A method of diagnosing the health of an individual by collecting a breath sample from the individual and measuring the amount of each of a plurality of analytes in the sample. The amount of each analytes is measured by fitting a time response curve of a sample-evalu... | 09/09/2008 |
| 7422723 | Alcohol breath test device A breath alcohol detection device includes a one-piece multi-passage block with attached sensors, a valve and a fuel cell. The cell accurately determines the BrAC of a prospective vehicle operator. In the event the BrAC is less than the legal maximum for a territory... | 09/09/2008 |
| 7404311 | Breath test simulator A breath simulator for supplying a breath test analyzer with a sample effluent of ethyl alcohol that controls headspace and adjacent effluent passageway temperature. ... | 07/29/2008 |
| 7377901 | Apparatus for collection of airway gases The invention relates to an apparatus for collection of airway gases from a subject comprising a first means for producing closure of the velum of the subject, and a second means for collection of the airway gases, wherein the first and second means need not be inte... | 05/27/2008 |
| 7352465 | Sample conditioning and environmental control techniques for gas sensor The present invention is a system and method of conditioning the sample and surrounding environment of an exhaled breath sensor. It includes (i) using a particular molecular sieve for a triple purpose: (a) maintaining the sensor at a constant relative humidity durin... | 04/01/2008 |
| 7347825 | Device and method for assessing asthma and other diseases Device and method for non-invasively monitoring asthma and other respiratory diseases, as well as non-respiratory diseases. The method includes collecting condensate from a subject's breath, testing the condensate to determine its acetic acid/acetate level or concen... | 03/25/2008 |
| 7340966 | Sensor with water ingress protection A gas monitoring system that comprises a sensor, a first valve, and a second valve. The sensor is disposed within a sensor housing that has an inlet and an outlet. The sensor generates a signal based on a characteristic of a gas within the housing. The first valve i... | 03/11/2008 |
| 7341693 | Portable RF breathalyzer A RF breathalyzer system, which transmits a unique RF signal in response to a toxic or non-toxic breath sample given to a RF breathalyzer by the user. An immobilizer CPU is installed in a vehicle to receive commands from the RF breathalyzer and to control a horn and... | 03/11/2008 |
| 7341563 | Sidestream gas sampling system with detachable sample cell A sidestream sampling system includes a sidestream gas measurement assembly and a sample cell configured to be assembled therewith. The sidestream gas measurement assembly includes a receptacle for removably receiving at least a portion of the sample cell. The sampl... | 03/11/2008 |
| 7338454 | Breath test A method of assessing the state of the lining of the small intestine in a mammal or human injesting a suitable labelled test substrate which requires conversion by a brush border enzyme for transport across the small intestinal lining. Suitable substrates include su... | 03/04/2008 |
| 7336037 | Intelligent electrical switching device The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of the present invention comprise at least one signal switch and a micro... | 02/26/2008 |
| 7335164 | Multiple function airway adapter An integrated airway adapter capable of monitoring any combination of respiratory flow, O2 concentration, and concentrations of one or more of CO2, N2O, and an anesthetic agent in real time, breath by breath. Respiratory flow may be ... | 02/26/2008 |
| 7329390 | Device and process for measuring breath alcohol A breath alcohol measuring device includes a flow chamber, for receiving exhaled breathing gas of a person, with a flow diaphragm. A differential pressure sensor has a first measuring connection via a first gas line (5) to the interior space of the flow chamb... | 02/12/2008 |
| 7311665 | Bio-information sensor monitoring system and method A bio-information monitoring system passively monitors a patient with a remote portable bio-information unit that takes various bio-information measurements at selected time intervals as well as at random times without patient intervention. The measurements are conv... | 12/25/2007 |
| 7297120 | Respiratory monitoring, diagnostic and therapeutic system Disclosed is a system and method for monitoring, diagnosing, and treating certain medical conditions, such as asthma, gastroesophageal reflux or laryngopharyngeal reflux. The system includes a mask apparatus or sensor module fitted with a pH sensor and thermocouple,... | 11/20/2007 |
| 7297549 | Method of determining measurement bias in an emissions monitoring system A method of determining bias in a measurement of a constituent concentration level in a sample gas is provided. The method comprises establishing a sample gas flow from an emission stream into a sample gas line of an emissions monitoring system. The method further c... | 11/20/2007 |
| 7292153 | System and method for determining a vehicle driver's blood/alcohol level A system includes a laser beam generating device that transmits a wireless first signal, having a first monochromatic radiation level, toward the driver. The first signal bounces off the driver and returns a second signal towards the acetaldehyde level detecting mec... | 11/06/2007 |
| 7285246 | Hand-held fluid analyzer A hand-held device detects the presence of a preselected substance in the breath. A deformable housing forms a test chamber for interacting an indicator reagent with the breath. An ampoule positioned inside the housing is ruptured by manual pressure through the wall... | 10/23/2007 |
| 7279132 | Chemical vapor sensor having an active and a passive measurement mode A chemical vapor sensor is provided that measures a chemical species of interest with high sensitivity and chemical specificity. In an aspect, an ethanol vapor sensor is provided, sized for being inconspicuous and on-board a vehicle, having a passive measurement mod... | 10/09/2007 |
| 7235054 | Measuring head for a gas analyser A measuring head for the analysis of respiratory gases to and from a patient connected to a respirator, includes an aperture (7) which is intended to be placed over an adapter (2) through which respiratory gases flow. The measuring head (1) has ... | 06/26/2007 |
| 7227472 | Multistage safety screening of equipment operators Methods and systems to screen equipment operators for impairments, such as intoxication, physical impairment, medical impairment, or emotional impairment, to selectively test the equipment operators and control the equipment if impairment of the equipment operator i... | 06/05/2007 |
| 7220387 | Disposable sensor for use in measuring an analyte in a gaseous sample The present invention is a disposable sensor for use with a device that quantifies analytes in a gaseous sample. It comprises (i) a sensing element, (ii) a means for interfacing the disposable sensor with a gas analysis device, and (iii) a housing. When used with a ... | 05/22/2007 |
| 7218236 | Vehicle ignition interlock systems that detect the presence of alcohol within vehicles A vehicle ignition interlock system includes a breath analyzer and a controller operably connected to the breath analyzer and to an ignition system of the vehicle. The breath analyzer detects the breath alcohol level of a vehicle operator and is configured to preven... | 05/15/2007 |
| 7204335 | Vehicle sobriety interlock device An interlock device for measuring the sobriety of a potential vehicle operator is coupled to the starting mechanism of the vehicle. The interlock device includes a microprocessor controlled handset and base unit. The base unit encloses relays to preclude the startin... | 04/17/2007 |
| 7192782 | Method and apparatus for determining marker gas concentration in exhaled breath using an internal calibrating gas A method and an apparatus for measuring the concentration of a specific gas component of a gas mixture including another gas whose concentration is independently known using light absorption spectroscopy are provided. A method and an apparatus for assessing human ai... | 03/20/2007 |
| 7192450 | Porous membranes for use with implantable devices A membrane for implantation in soft tissue comprising a first domain that supports tissue ingrowth, disrupts contractile forces typically found in a foreign body response, encourages vascularity, and interferes with barrier cell layer formation, and a second domain ... | 03/20/2007 |
| 7170009 | Method of interfacing a remote wand to electronics control chassis A method is provided for interfacing a remote wand to its electronics control chassis by means of a coiled cable. The wand may consist of a sensor such as a light-sensitive detector, and the control electronics provide amplification and processing of the received li... | 01/30/2007 |
| 7156813 | Flow-independent parameter estimation based on tidal breathing exhalation profiles Parametric characterization of nitric oxide (NO) gas exchange using a two-compartment model of the lungs is a non-invasive technique to characterize inflammatory lung diseases. The technique applies the two-compartment model to parametric characterization of NO gas ... | 01/02/2007 |
| 7134999 | Optimized sensor geometry for an implantable glucose sensor An implantable sensor for use in measuring a concentration of an analyte such as glucose in a bodily fluid, including a body with a sensing region adapted for transport of analytes between the sensor and the bodily fluid, wherein the sensing region is located on a c... | 11/14/2006 |
| 7122154 | Apparatus for testing breath alcohol with discrimination between alveolar and upper respiratory tract alcohol A method and infrared sensing device for determining the concentration of alveolar alcohol in a breath sample exhaled by a subject into an infrared sensing device. The presence of alcohol from the upper respiratory tract of the subject is detected by continuously mo... | 10/17/2006 |
| 7112447 | Hand held gas analyzer A lightweight and portable analyzer is provided. At least one component of the analyzer is made from a lightweight material, such as ABS. A manifold can have a plate and gas passages ultrasonically welded together. By having at least one component made from a lightw... | 09/26/2006 |
| 7104964 | Non-invasive device and method for the diagnosis of pulmonary vascular occlusions This invention involves a device and method for ascertaining the functioning of the respiratory system and determining whether a pulmonary embolism is present. The device comprises an apparatus containing sensors which measure the amount of a particular gas expired ... | 09/12/2006 |
| 7101341 | Respiratory monitoring, diagnostic and therapeutic system Disclosed is a system and method for monitoring, diagnosing, and treating certain respiratory conditions, such as asthma. The system includes a mask apparatus fitted with a pH sensor and thermocouple, a continuous positive airway pressure (CPAP) device, a processing... | 09/05/2006 |
| 7074196 | Algorithms, systems, and methods for estimating carbon dioxide stores, transforming respiratory gas measurements, and obtaining accurate noninvasive pulmonary capillary blood flow and cardiac output measurements Methods for estimating the volume of the carbon dioxide stores of an individual's respiratory tract include determining a carbon dioxide store volume at which a correlation between corresponding signals of carbon dioxide elimination and an indicator of the content o... | 07/11/2006 |
| 7070570 | Method and means of physiological monitoring using sonification The invention resides in a respiratory sonification monitoring method and system for monitoring respiration in a subject including the use of capnometric means for measuring carbon dioxide concentrations, flowmeter means for measuring gas flow and volume of gas; mea... | 07/04/2006 |
| 7070638 | Burp gas filtering and deodorizing device The burp filtering device has the body of a writing pen, with an intake port at the upper end of the body, a plurality of exhaust ports adjacent the writing tip, and a filter disposed within the body. The filter may be made of activated charcoal or other media for f... | 07/04/2006 |
| 7066892 | Non-invasive device and method for the diagnosis of pulmonary vascular occlusions The invention involves a device and method for ascertaining the functioning of the respiratory system and, in particular, for measuring the efficiency of alveolar ventilation of a patient. The device comprises an apparatus containing sensors for measuring the oxygen... | 06/27/2006 |
| 7063667 | Isotopic gas analyzer An NDIR spectrometer based on the use of wavelength specific lamp sources, whose emission spectrum consists of discrete, narrow lines characteristic of the isotope present in the lamp, and which it is desired to measure with the spectrometer. This allows very high i... | 06/20/2006 |
| 7061387 | Measurement instrument, especially for level or pressure measurement with speech assistance The invention relates to a measurement instrument, especially for level and pressure measurement with a controller (9), which is connected to a memory unit (8), an input unit (11), and also an output unit (12). Here, the output unit (1... | 06/13/2006 |