Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303876 | Combined electric periodontal brush and mounting bracket | Spencer L. Mackay | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303876 | Combined electric periodontal brush and mounting bracket | Spencer L. Mackay | 1989-10-10 |