Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5174216 | Digital sound reproducing system for toy trains with stored digitized sounds recalled upon trackside triggering | Keith F. Green | 1992-12-29 |
| 5097613 | Safety plug for the firing chamber of a weapon | Robert G. Plummer | 1992-03-24 |
| 4965952 | Safety plug for the firing chamber of a weapon | Robert G. Plummer | 1990-10-30 |
| 4811191 | CMOS rectifier circuit | — | 1989-03-07 |
| 4800365 | CMOS digital-to-analog converter circuitry | Robert L. White, Frederick J. Highton, Kazuo Ito | 1989-01-24 |
| 4712164 | Vehicle headlamp assembly | David R. McMahan, Leslie H. Hallgarth | 1987-12-08 |
| 4295037 | Production counter apparatus | — | 1981-10-13 |
| D257634 | Aerial toy | Robert M. Hibdon | 1980-12-16 |
| D257269 | Glider | Robert M. Hibdon | 1980-10-07 |