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 |
| 7638702 | Piano tuning wrench An improved piano tuning hammer for use by piano technicians, that allows dramatically increased tuning accuracy, ease of use, and speed. The improved tuning hammer is comprised of relatively large cross-sections. The improved tuning hammer may be comprised of light... | 12/29/2009 |
| 7334305 | Bearing and seal installation device and method An installation device and method for installing engine components, such as bearings and seals, on an engine. The device including a first connection member that couples to an engine and a second moveable member configured to translate relative to the first connecti... | 02/26/2008 |
| 7186909 | Ergonomic key pounder A key pounder tool useful during the tuning of pianos and the like. The key pounder has a shaft about which a grip adapted for holding by the human hand is positioned. The shaft extends from the grip to a bumper end where a resilient non-slip bumper is coupled. The ... | 03/06/2007 |
| 6888056 | Piano string coil lifting and setting apparatus An apparatus (10) for lifting and setting a piano string coil (16) is provided for improving tuning stability. Preferably, the apparatus (10) includes an internal slide hammer portion (12) and a string engaging portion (14) extendi... | 05/03/2005 |
| 6727416 | Piano hammer adjustment apparatus and method for using same The present invention is an apparatus tuning and adjusting pianos. It maybe attached to the existing hammer shank and simulates a piano hammer. The present invention's dimensions and angles are adjustable. As the present invention is moved into strike position on th... | 04/27/2004 |
| 6023015 | Piano hammer shaping tool A hammer shaping tool is designed with two parts: a piano hammer template and a sanding strip. The template's face surface is a mirror of an desirably shaped piano hammer with side walls forming a channel along the face surface of the template. The width ... | 02/08/2000 |
| 4208942 | Combination drum tuning key and cymbal holder A combination drum tuning key and cymbal holder is made of an integral T-shaped tool having a handle connected to a barrel, the barrel defining a square-shaped internal cavity for drum tuning, the internal walls of the cavity also being grooved so that th... | 06/24/1980 |
| 4088052 | String instrument tuning apparatus This disclosure pertains to an apparatus utilized to detect the pitch in a string instrument, comparing it with a known standard, and providing an output error signal to an audio amplifier which drives a motor and gear train. The output shaft of the gear ... | 05/09/1978 |
