Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5765773 | Retractor engagement mechanism | Harry Hanna | 1998-06-16 |
| D295105 | Automatic guided vehicle | Bernard E. Erlacher, Robert D. Higgins, John E. Wible, Robert McNutt | 1988-04-05 |
| 4706772 | Oscillating scanner arrangement | Robert McNutt | 1987-11-17 |