Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758460 | Air filter | Barry K. Spicer | 1988-07-19 |
| 4631077 | Foam plastic air filter | Barry K. Spicer | 1986-12-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758460 | Air filter | Barry K. Spicer | 1988-07-19 |
| 4631077 | Foam plastic air filter | Barry K. Spicer | 1986-12-23 |