Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230626 | Absorbent dental device | William A. Larson | 1993-07-27 |
| 4233025 | Hollow cotton roll | William A. Larson | 1980-11-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230626 | Absorbent dental device | William A. Larson | 1993-07-27 |
| 4233025 | Hollow cotton roll | William A. Larson | 1980-11-11 |