Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7210244 | Distance calculation device Provided is a distance calculating apparatus calculating a real distance from a map distance of a map path connecting a first point and a second point on a map, the apparatus including: a housing; a scale input unit into which a reduced scale is input, disposed in t... | 05/01/2007 |
| 7163353 | Adapter for coupling a paint marking stick to a digital counter An adapter by which a conventional paint marking stick that carries a can of spray paint to mark a roadway surface in need of repair is detachably connected to a conventional digital counter having at least one wheel to roll over the surface so as to measure the siz... | 01/16/2007 |
| 7131216 | Distance measuring apparatus A distance measuring apparatus having a frame and a wheel rotatable relative to the frame around a first axis. The wheel has a peripheral surface that can be rolled against a surface upon which a distance measurement is to be taken. The distance measuring apparatus ... | 11/07/2006 |
| 7092644 | Optical receiver including a dual gain path amplifier system An optical receiver may include a photodetector that is configured to generate an electrical signal in response to detecting an optical signal, a first gain path coupled to receive and amplify the electrical signal generated by the photodetector, and a second gain p... | 08/15/2006 |
| 7044361 | Walker distance measuring device A walker and/or wheelchair distance measuring device comprising a wheel assembly, a measuring assembly and a display. The wheel assembly is capable of attachment to a walker, and includes a support and a wheel. The measuring assembly comprises a sensor having a trig... | 05/16/2006 |
| 6889444 | Antler scoring system An antler scoring system for enabling efficient and accurate measurement of antlers. The antler scoring system includes a housing, a wheel member rotatably attached to the housing, a central processing unit within the housing in communication with the wheel member, ... | 05/10/2005 |
| 6574882 | Pen type curve length measuring apparatus having caster A handy type curve length measuring apparatus comprises a pen-holder like body, a castor rotatably connected with the body so as to rotate around a first axis and having a disk including slits, pulse generating means and an indicator. When the disk rolls ... | 06/10/2003 |
| 6249987 | Distance measuring device A distance measuring device for measuring distances between two points. The distance measuring device includes a housing having a top and a bottom. A handle is coupled to the housing. A wheel is rotatably mounted to the bottom of the housing. An electroni... | 06/26/2001 |
| 6199292 | Electromechanical dimensioning device An electromechanical dimensioning device measures dimensional attributes of an object and transmits the dimensional attributes from the dimensioning device to a remote receiving device. The dimensioning device converts rotational motion of a measuring whe... | 03/13/2001 |
| 6122834 | Combination framing and speed square A combination speed and framing square includes first and second legs joined to form a right angle. The first and second legs are substantially longer than those found on a typical framing square allowing higher pitch roof rafters to be sequentially marke... | 09/26/2000 |
| 5943785 | Curve length measuring apparatus having caster A handy type curve length measuring apparatus includes a pen-holder like body, a caster rotatably connected with the body so as to rotate around a rotation axis and having a disk including slits, light emitting device, light detecting device and an indica... | 08/31/1999 |
| 5884240 | Apparatus for measuring and recording a tree characteristic An apparatus for measuring and storing a tree characteristic that preferably is tree diameter and other data related to location, variety and grade of a tree being measured. The apparatus has a handle, a wand extending therefrom, and a measurement head ca... | 03/16/1999 |
| 5780846 | Device in pen form with means for measuring a length A measuring or determining device including a measuring head with a movable body designed to be placed in contact with the object on which the measurement or determination is to be executed. The device includes structure for the generation of electromagne... | 07/14/1998 |
| 5560119 | Opto-mechanical instrument to accurately measure linear distances on flat or curved surfaces with incrementing A hand-held scaler for a map or illustration uses a rotary element and an optical sensor at its tip to generate digital pulses when the tip is moved over a map surface. The pulses are counted by a microprocessor. Different pulse counts automatically scale... | 10/01/1996 |
| 5161313 | Tracking, measuring and calculating instrument for the determination of lengths, areas, peripheries and volumes A hand-held instrument for measuring and calculating length, areas, peripheries and volumes is disclosed. The instrument has a housing with a tapered end giving it the overall appearance of a writing instrument. The instrument has a tracking wheel which f... | 11/10/1992 |
| 5067249 | Map scaling instrument An instrument for measuring and converting scale dimensions such as, for example, mileage values on a map, includes a housing having a tracing wheel at one end for rolling along route lines on the map. The tracing wheel is connected to operate an actuator... | 11/26/1991 |
| 5035064 | Linear measuring devices A measuring instrument comprises a portable case (45) housing a drum (11) on which is wound a flexible mesuring line or tape (10) which runs over a rotary capstan (15) provided with teeth (16) engaged by a sensor (24) acting as a pulse generator to an ele... | 07/30/1991 |
| 4989342 | Actuator for a counter on a distance measuring device A distance measuring device is provided consisting of a frame, a wheel mounted to the frame for rotation about an axis and having a peripheral surface to be rolled against a surface to be measured, a distance counter, a lever arm mounted to the counter fo... | 02/05/1991 |
| 4970802 | Wheeled measuring device A wheeled measuring device having selectively usable and positionable hub elements for use with a plurality of different measuring wheels and corresponding gearing for utilization of a counter to provide different readouts in effecting desired measurement... | 11/20/1990 |
| 4967484 | Method of and apparatus for measuring distances A method of and apparatus for measuring distance selectively along any one or more of an outwardly facing subjacent surface, such as a floor surface, a horizontally facing surface, such as a wall surface, and a downwardly facing surface, such as a sealing... | 11/06/1990 |
| 4914831 | Rotation detecting apparatus A first wheel mechanism and rotation detecting means for detecting rotation of the first wheel mechanism are provided within a casing. A second wheel mechanism for measurement is movable provided at the casing. The second wheel mechanism is located in a n... | 04/10/1990 |
| 4760647 | Linear measuring apparatus A hand-held linear measuring device is enclosed within an elongated housing which has a handle at one end and an opening at the opposite end. A wheel mounted on the housing and protruding through the opening rotates as it engages and is drawn across a sur... | 08/02/1988 |
| 4700484 | Diameter measuring device An apparatus for measuring the diameter of an object is disclosed. A rotatable wheel of known diameter capable of movement in three axes is contacted with an object capable of rotation. The wheel is attached to a shaft encoder which produces pulses as the... | 10/20/1987 |
| 4242804 | Universal digital converter for drafting machines A universal digital converter for drafting machines operable to sense and instantly display numerically on one of the machine scales incremental linear or angular movements thereof. A sensor mounted on the scale has a wheel in rolling contact with the dra... | 01/06/1981 |
| 4163323 | Length measuring devices A length measuring device comprising a housing, a measuring wheel rotatable by displacement of the device, a counter located in the housing and driven by the measuring wheel and sound generating means having two parts connected one to the housing and one ... | 08/07/1979 |
