Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5188295 | Manually adjustable spray applicator | Donald J. Stern, James A. Tryon, Brett Bartholmey | 1993-02-23 |
| D331354 | Dry wall tape applicator | Donald J. Stern | 1992-12-01 |
| 5114527 | Drywall tape applying tool | Donald J. Stern, James A. Tryon | 1992-05-19 |
| 5069390 | Manually adjustable spray applicator | Donald J. Stern, James A. Tryon, Brett Bartholmey | 1991-12-03 |
| 4955545 | Manually adjustable spray applicator | Donald J. Stern, James A. Tryon, Brett Bartholmey | 1990-09-11 |