Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101756 | Marker arrow system | — | 1992-04-07 |
| 4972812 | Spark plug thermal control | — | 1990-11-27 |
| 4910428 | Electrical-erosion resistant electrode | — | 1990-03-20 |
| 4810929 | Spark plug temperature control | — | 1989-03-07 |
| 4804155 | VTOL aircraft | — | 1989-02-14 |
| 4803802 | Plant stake | — | 1989-02-14 |
| 4553284 | Vacuum cleaner universal nozzle | — | 1985-11-19 |
| 4491101 | Multiple heat-range spark plug | — | 1985-01-01 |