Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6012593 | Universal lid holder | David B. Kuhns | 2000-01-11 |
| 5905441 | Hand-held visual signaling device | Edward L. Klee | 1999-05-18 |
| 5584599 | Modular barrier system with interconnected sandbags | — | 1996-12-17 |
| 5010696 | Roof gutter attachment | — | 1991-04-30 |