Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D419837 | Compact folding wrench | Robert L. Knox | 2000-02-01 |
| 5542322 | Compact folding wrench | Robert L. Knox | 1996-08-06 |
| D371298 | Handle for a palm driver | Robert L. Knox | 1996-07-02 |
| D359211 | Compact folding wrench | Robert L. Knox | 1995-06-13 |