...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 5297536 | Method for use in intra-abdominal surgery A method for use in intra-abdominal surgery comprises the steps of inserting a tubular member into a natural body cavity of a patient through a natural body opening, manipulating the tubular member from outside the patient so that a distal end of the tubu... | 03/29/1994 |
| 5297537 | Disposable liquid supply kit for use in an endoscope A disposable liquid supply system comprises a closed liquid container, a first flexible tube connected to the container and terminating at the top thereof for introducing a gas into the container, and a second flexible tube connected to the container and ... | 03/29/1994 |
| 5297538 | Surgical retractor/compressor The surgical instrument consists of a pair of arms of different lengths hinged together at an intermediate point for relative pivoting movement. The arms are provided with obliquely oriented handles at one end thereof. The opposite ends of the arms suppor... | 03/29/1994 |
| 5297539 | Therapeutic device for chiropractic diagnosis and treatment An automatic, therapeutic device is provided for treating spinal problems, including problems with intervertebral disks and spinal curvatures. The device is patient interactive, providing circumductive motion including oscillatory lateral flexion, rotatio... | 03/29/1994 |
| 5297540 | Continuous passive motion orthosis device for a toe A continuous passive motion orthosis device for a toe of a foot including a base having first and second mounting members for receiving the calf and foot, respectively. A pivotable carriage member is positioned proximate the second mounting member and has... | 03/29/1994 |
| 5297541 | Athletic therapeutic glove A glove-like device, which may be fabricated in the form a glove, mitten or mitt, for actively exercising the muscles of the fingers, hand, wrist and forearm. A glove fabricated from a flexible non-extensible material having a plurality of elongated tube ... | 03/29/1994 |
| 5297542 | Aerosol dispensing device A inhalation-actuable dispensing device is provided for dispensing a metered dose of medicament in aerosol form. The device comprises a compartment (6) for receiving a metered dose aerosol container (10) having an outlet tube (12) at one end. The device h... | 03/29/1994 |
| 5297543 | Medication inhaler mixer A device for blending a medication with an airflow intended for inhalation, such as may be provided by a ventilator circuit is in the form of a tubular body intended to be placed in series with the ventilator line. The body is provided with a reduced-diam... | 03/29/1994 |
| 5297544 | Respirator with inner half mask and pollutant indicator A respirator with an eye space (16), through which the air to be inhaled flows, and with an indicator located on a support for indicating the efficiency of the protective device on the respiration connection, which is to retain the pollutant from the envi... | 03/29/1994 |
| 5297545 | Underwater breathing device An electrically-powered, diver-borne air compressor is used with a draw-type snorkel to supply air from above the surface to a swimmer. The use of a non-positive displacement compressor--e.g. a blower--allows a shallowly submerged swimmer to breathe throu... | 03/29/1994 |
| 5297546 | Transtracheal catheter system and method A system for continuously supplying supplemental therapeutic oxygen to a patient to enhance atmospheric breathing comprising an oxygen supply source for continuously supplying low pressure low volume oxygen to a patient at relatively low pressures and rel... | 03/29/1994 |
| 5297547 | Laryngeal mask construction A laryngeal mask has an inflatable ring configured, upon inflation, to establish a peripheral seal around a patient's laryngeal inlet. Installation (insertion) is made in the fully deflated state, wherein the structural relation between the body of the ma... | 03/29/1994 |
| 5297548 | Arterial blood monitoring probe This arterial blood monitoring system takes advantage of the basic statistical property that arterial blood contains a plurality of dominant absorbers, whose measured light absorption spectra appear as a constant over a short interval of time. By measurin... | 03/29/1994 |
| 5297549 | Endocardial mapping system An array of electrode sites are placed in a heart chamber. The shape of the chamber and the location of the electrodes is determined via impedance plethysmography. Electrical measurements taken from the electrode array and referenced to a surface contacti... | 03/29/1994 |
| 5297550 | Background darkening of magnetic resonance angiographic images A magnetic resonance imaging system (A) examines a region of a patient and generates a plurality of views which are reconstructed (B) into a volumetric image representation and stored in a volume image memory (C). A ray projector (D) projects a plurality ... | 03/29/1994 |
| 5297551 | Weighted ray projection imaging for MR angiography A magnetic resonance imaging apparatus (A) applies appropriate magnetic fields, magnetic field gradients, and radio frequency pulses across an examination region to generate magnetic resonance signals or views indicative of the properties of a volume of a... | 03/29/1994 |
| 5297552 | Process for measuring the position of at least one mobile interface using ultrasound and apparatus for carrying out said process A process for measuring the position of at least one mobile wall using ultrasound and an apparatus for carrying out this process are described. The measuring process of the invention has an initialization phase during which the elemental echoes of an echo sign... | 03/29/1994 |
| 5297553 | Ultrasound transducer with improved rigid backing An ultrasound transducer comprising an array of individual piezoelectric transducer elements mounted upon an improved backing comprising rigid polymeric or polymer-coated particles fused into a macroscopically rigid structure having remnant tortuous perme... | 03/29/1994 |
| 5297554 | Device for use in real-time monitoring of human or animal bodily function The device comprises a scleral contact lens (1) for locating and supporting the device on the eye and has an optical system with at least one discrete light source, e.g. an optical fiber (9) or a light emitting diode, and at least one discrete light recei... | 03/29/1994 |
| 5297555 | Multichannel spectrometer The invention relates to a multichannel spectrometer (10), in particular for examining moles (16) having an evaluating and display device (14) and optical means (18, 19, 21, 23, 22) to determine and display reflectance spectra of a skin surface on an asce... | 03/29/1994 |
| 5297557 | Stress test system with bidirectional filter A system for filtering stochastic signals as embodied in stress test systems for measuring electrocardiographic (ECG) activity in response to exercise employs a bidirectional Infinite Impulse Response (IIR) filtering process over a predetermined window on... | 03/29/1994 |
| 5297558 | Algorithm for prescribing an exercise regimen to enhance fat burning and cardiovascular fitness A method for optimizing either fat utilization or cardiovascular performance during an exercise regimen includes the steps of using a cardiovascular exercise system to measure a subject's respiratory exchange ratio on a breath-by-breath basis and also loc... | 03/29/1994 |
| 5297559 | Apparatus for testing color vision An opaque plate is positioned in front of a patient undergoing color vision testing. A number of openings are formed in the plate. Behind each disk is a hollow sphere having colored light sources mounted therein. By selectively energizing the colored ligh... | 03/29/1994 |
| 5297560 | Method of protected bronchial sampling using a translaryngoscopic catheter A method of collection of uncontaminated secretions from the lower respiratory tract of non-intubated patients using a laryngoscope and a translaryngoscopic catheter. After properly positioning the insertion tube of a laryngoscope in the larynx of a patie... | 03/29/1994 |
| 5297561 | Blood collection tube assembly An air-evacuated blood collection tube assembly comprising an air-evacuated tubular container having an open end and a closed end, and a cannula-penetrable self-sealing gas-proof closure in sealing engagement with the open end of the container so as to ma... | 03/29/1994 |
| 5297562 | Method for detecting and treating Alzheimer's disease The subject matter of this disclosure relates to Alzheimer's Disease and to somatic mosaicism of cells trisomic for chromosome 21. Methods for detecting trisomy 21 mosaicism and methods for preventing the onset of dementia are also described.... | 03/29/1994 |
| 5297563 | Guided bone and tissue generation device and method to be used during or after dental surgery or jaw surgery The invention relates generally to methods and devices for facilitation of tissue and bone guided regeneration of a bony deficit. A mechanical barrier dimension to cover the deficit is provided as are means for securing the barrier in place.... | 03/29/1994 |
| 5297564 | Catheter technique for creation of an aortico-pulmonary shunt A method of creating an aortico-pulmonary shunt with a catheter is provided.... | 03/29/1994 |
| 5297565 | Bristle for hair stimulator An improved hair shampoo stimulator device is provided in which each bristle is shaped similar to a finger tip, for the purpose of safely stimulating the scalp of a person without damaging the hair.... | 03/29/1994 |
| 5297566 | Method and device for increasing the volume of a head of hair The invention relates to a hairdressing method consisting in increasing the apparent volume of a head of hair and simultaneously setting it in this state of swelling by means of an aerosol generator. To do so, the aerosol is shaken with a mass flow of bet... | 03/29/1994 |
| 5297567 | Hair curling roller apparatus A housing is provided having a plurality of stepped top walls, each including an annular array of hair curling receiving sockets, with each of the hair curlers having a heat retentive silicon gel contained therewithin to retain thermal heating thereof.... | 03/29/1994 |
| 5297568 | Process and apparatus for treatment of board-like articles The process and apparatus more particularly relate to the manufacture of printed circuit boards. They are successively treated with a liquid on their top and bottom and intermediately turned over. The boards (23) are horizontally supplied to the turning o... | 03/29/1994 |
| 5297569 | Method and apparatus for maintenance of wheel bearings A method and apparatus for cleaning and lubricating bearings includes the steps of placing the bearings on posts on a rotating member, and rotating the member within a container containing a cleaning solvent. The rotating member is then removed from the c... | 03/29/1994 |
| 5297570 | Golf bag umbrella A golf bag umbrella is mounted within a golf bag and includes a central spring connection mounted to an extension shaft to permit pivotal displacement of the umbrella structure for access to golf clubs and the associated golf bag.... | 03/29/1994 |
| 5297571 | Two button safety umbrella A two button safety umbrella is provided having an inner tube, a middle tube, and an outer tube, which are respectively coupled to related ribs of the umbrella. A coil spring is disposed within the inner tube and the middle tube is disposed over the inner... | 03/29/1994 |
| 5297572 | Improved frames of a folded umbrella A folding umbrella frame is provided which includes an improved frame linkage having a second stick with a recess formed within it and an inclined outer end pivotally secured to a fourth rib member. A first stick member is coupled to a first rib member an... | 03/29/1994 |
| 5297573 | Overspeed safety device An overspeed safety device for a pneumatic rotation motor comprises a housing (10, 18) and a valve element (28) which is located in a bore (27) in the housing (10, 18) and which by a trip device (29, 31) is locked in a normally open position and arranged ... | 03/29/1994 |
| 5297574 | Fuel dispensing hose breakaway assembly A breakaway assembly for use in combination with a fuel dispenser apparatus is disposed between a segment of the hose attached to a fuel dispenser unit and a second segment of the hose terminating in a nozzle. The breakaway assembly has body portions with... | 03/29/1994 |
| 5297575 | In-line high pressure fluid release valve An in-line high pressure fluid release valve is formed by a valve body having a cylinder and having a transverse opening forming a fluid passageway interposed in a fluid conductor. A piston normally closing the fluid passageway and having a fluid passagew... | 03/29/1994 |
| 5297576 | Oral inflation and relief tube An oral inflation and relief tube for connection to an inflatable article. The oral inflation and relief tube includes an elongated tube having an oppositely positioned first opened end and second opened end, with a flanged opening positioned therebetween... | 03/29/1994 |