Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4637387 | Breathing apparatus | — | 1987-01-20 |
| 4616351 | Pest control apparatus | — | 1986-10-07 |
| D283742 | Combined breathing mask and container therefore | — | 1986-05-06 |
| 4573463 | Breathing mask | — | 1986-03-04 |
| 4484315 | Ultrasonic pest control device | — | 1984-11-20 |
| D269990 | Ultrasonic pest control device | — | 1983-08-02 |
| 4392215 | Pest control apparatus | — | 1983-07-05 |
| D260802 | Ultrasonic pest repelling device | — | 1981-09-15 |
| D260803 | Ultrasonic pest repelling device | — | 1981-09-15 |
| D257907 | Ultrasonic pest repelling device | — | 1981-01-13 |
| D256959 | Ultrasonic pest repelling device | — | 1980-09-16 |