Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629245 | Apparatus for stimulating keypad entry of an access code into a keypad type security system | Arthur D. Stone, Maurice D. Krugman | 2003-09-30 |
| 4977517 | Leak and clog detection and removal system for use with particle counters | Walden Lewis GIBBS, Jimmie Curry | 1990-12-11 |
| 4882750 | Programmable dialer system | Daniel A. Henderson | 1989-11-21 |
| 4782520 | Pulse receiver circuit providing longitudinal balance | — | 1988-11-01 |
| 4502786 | Method and apparatus for automated determination of hemoglobin species | Tipton L. Golias | 1985-03-05 |
| 4501932 | Solid state electronic dial pulse receiver circuit | — | 1985-02-26 |
| 4257709 | Automatic blanking circuit | — | 1981-03-24 |