Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7718893 | Adjustable plaster ring cover | Steve Purves, Dennis L. Grudt | 2010-05-18 |
| 4664489 | Auxiliary mirror system | — | 1987-05-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7718893 | Adjustable plaster ring cover | Steve Purves, Dennis L. Grudt | 2010-05-18 |
| 4664489 | Auxiliary mirror system | — | 1987-05-12 |