Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6848735 | Stepwell cover apparatus | Lawrence A. Kirschbaum, Devoe C. Hoffer | 2005-02-01 |
| 6101853 | Door and latch mechanism | — | 2000-08-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6848735 | Stepwell cover apparatus | Lawrence A. Kirschbaum, Devoe C. Hoffer | 2005-02-01 |
| 6101853 | Door and latch mechanism | — | 2000-08-15 |