Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047656 | Retractable front rudders | Elmer Zebley | 2000-04-11 |
| 4418564 | Snap action bottle finish tester and method | — | 1983-12-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047656 | Retractable front rudders | Elmer Zebley | 2000-04-11 |
| 4418564 | Snap action bottle finish tester and method | — | 1983-12-06 |