Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5216246 | Optical safety shutoff for machine cover | William T. Weldman, Khalid M. Rabb, Michael L. Shaffer, Karl M. Kau | 1993-06-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5216246 | Optical safety shutoff for machine cover | William T. Weldman, Khalid M. Rabb, Michael L. Shaffer, Karl M. Kau | 1993-06-01 |