Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875248 | Adjustable toothbrush | — | 1989-10-24 |
SK
Steven R. Kent
Overall (1989): #55,332 of 140,708Top 40%
1
Patents 1989