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 |
| 7201445 | Feeding seat A booster seat for children and infants and more particularly an improved feeding seat with telescoping and retractable arms extending from a base supporting a removable tray to facilitate feeding of a child. The feeding seat is reclinable and also foldable into a c... | 04/10/2007 |
| 6932021 | Dock swivel step A dock swivel step is attached to a dock pole by clamps. The swivel step has vertical outer and inner tubes. The vertical tube is clamped to the dock pole. An inner L shaped tube slides inside the outer tube. Attached to the horizontal part of the inner tube is an o... | 08/23/2005 |
| 4765679 | Chair having a seat with front and rear seat portions being hinged to each other A chair has a seat connected to the seat support (1) by means of a front guide rod (11). The seat includes front and rear seat portion (8) hinged to each other. The rear seat portion (8) is secured to the seat support (1) by means of a rigidly connected d... | 08/23/1988 |
| 4572573 | Dental chair operating apparatus A dental chair operating apparatus developed in relation to the underseat and the backrest. The uses for the present chair and integral underseat and backrest configuration include human dental, medical, beauty parlor, and barber shop treatment facilities... | 02/25/1986 |
| 4079990 | Wheelchair A wheelchair includes a main frame supported on front and rear pairs of wheels, the main frame pivotally mounting pivotally interconnected back rest, seat and leg rest frame segments in such manner as to allow said segments to be adjusted between position... | 03/21/1978 |
