Gerald S. Karr

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Venice, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Audio frequency multiplication device
- Patent number 4,627,090
- Issue date Dec 2, 1986
- Smith Engineering
- Jay Smith
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio frequency multiplication device
- Patent number 4,622,690
- Issue date Nov 11, 1986
- Smith Engineering
- Jay Smith
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Digital watch having matrix display for arcade-like game playing
- Patent number 4,504,062
- Issue date Mar 12, 1985
- Smith Engineering
- Jay Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuitry for controlling a CRT beam
- Patent number 4,500,879
- Issue date Feb 19, 1985
- Smith Engineering
- Jay Smith
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Hand-held electronic game playing device with replaceable cartridges
- Patent number 4,359,222
- Issue date Nov 16, 1982
- Smith Engineering
- Jay Smith
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronically controlled roadrace system with sound generator
- Patent number 4,247,107
- Issue date Jan 27, 1981
- California R & D Center
- Jay Smith
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Text and graphics interactive display
- Publication number 20150365657
- Publication date Dec 17, 2015
- Gerald S. Karr
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Teaching/learning devices and display and presentation devices
- Publication number 20060209637
- Publication date Sep 21, 2006
- Patrick May
- G04 - HOROLOGY