Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894135 | Electrolyte IR voltage compensator for cathodic protection systems or the like | — | 1990-01-16 |
| 4251950 | Electronic silvicidal apparatus | Doyle Nutt | 1981-02-24 |
| 4241332 | Personal security alarm | — | 1980-12-23 |
| D256711 | Self-propelled skateboard | — | 1980-09-02 |