Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697173 | Inventory control collar | Henry J. McCarrick, Kevin Cochrane Ross | 1997-12-16 |
| D351227 | Surgical handpiece shell | Douglas Patton | 1994-10-04 |
| D337733 | Housing for a one-way ultrasonic ceiling sensor | Douglas Patton, Dennis L. Grudt | 1993-07-27 |
| D337542 | Housing for a two-way ultrasonic ceiling sensor | Douglas Patton, Dennis L. Grudt | 1993-07-20 |