Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873768 | Dimensioning head for plug gage | Richard G. Van Sickle | 1989-10-17 |
| 4791728 | Dimensioning head for plug gage | Richard G. Van Sickle | 1988-12-20 |
| 4788772 | Dimensioning head for plug gage | Richard G. Van Sickle | 1988-12-06 |