Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4672215 | Hand held laser bar code reader with safety shutoff responsive to housing motion detector | — | 1987-06-09 |
| 4584687 | Calibrated feedback for laser diodes | — | 1986-04-22 |
| 4541689 | Friction wedge alignment system for laser diode collimator pens | Roeland M. T. Hekker | 1985-09-17 |