Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4504062 | Digital watch having matrix display for arcade-like game playing | Gerald S. Karr | 1985-03-12 |
| 4500879 | Circuitry for controlling a CRT beam | Gerald S. Karr | 1985-02-19 |
| D276539 | Video arcade game and display housing | Moto Shimano | 1984-11-27 |
| 4462076 | Video game cartridge recognition and security system | — | 1984-07-24 |
| D274631 | Hand control unit for video arcade game | Moto Shimano | 1984-07-10 |
| 4437738 | Optical rollfiche reader | James E. Headley, William R. Limburg, Robert Nordmeyer | 1984-03-20 |
| 4408103 | Joystick operated multiple position switch | — | 1983-10-04 |
| 4398086 | Game-calculator having sliding mask | — | 1983-08-09 |
| 4360808 | Radio control apparatus with voice transmission capability | Jeffrey M. Moskin | 1982-11-23 |
| 4359222 | Hand-held electronic game playing device with replaceable cartridges | Gerald S. Karr, Lawrence T. Jones | 1982-11-16 |
| 4349196 | Computer control toy track system | Thomas G. Schneider, Thomas Grimm | 1982-09-14 |
| 4337460 | Hand-held sound effects device | Jeffrey M. Moskin | 1982-06-29 |
| 4309505 | Process for the production of fructose transferase enzyme | Susan J. Luenser | 1982-01-05 |
| 4272917 | Steering assembly rendering car unstable in a turn | Richard L. Malone | 1981-06-16 |