Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4958769 | Compressed O-ring spray gun needle valve seal | — | 1990-09-25 |
| 4714179 | Positive displacement paint pushout apparatus | Charles H. Otterstetter, Paul Stueckle | 1987-12-22 |
| 4509684 | Color change apparatus | — | 1985-04-09 |