Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8950755 | Watertight closure gasket insertion tool | Robert C. Redfern, Ronnie L. Ball | 2015-02-10 |
| 7451714 | All purpose seal | Robert C. Redfern, Luke Cassario | 2008-11-18 |
| 7441308 | Watertight door hinge support | — | 2008-10-28 |
| 6799396 | Watertight door closure | Robert C. Redfern, Ted Arthur Heinritz | 2004-10-05 |