Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12162176 | Utility knife | David A. Webb, Stephen Rowlay | 2024-12-10 |
| 11571824 | Utility knife | David A. Webb, Stephen Rowlay | 2023-02-07 |
| D348619 | Straight edge level | — | 1994-07-12 |
| D294064 | Wooden roofing tile | — | 1988-02-02 |