Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4579421 | Optical adaptive filter | Douglas E. Brown | 1986-04-01 |
| 4385408 | Sanitary cushioning device for sink bowl edges | — | 1983-05-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4579421 | Optical adaptive filter | Douglas E. Brown | 1986-04-01 |
| 4385408 | Sanitary cushioning device for sink bowl edges | — | 1983-05-31 |