Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34352 | Therapeutic pet toy | Joseph P. Markham | 1993-08-24 |
| D319148 | Toothbrush | — | 1991-08-20 |
| D308122 | Pet toy | Joseph P. Markham | 1990-05-22 |
| D307339 | Pet toy | Joseph P. Markham | 1990-04-17 |
| 4802444 | Therapeutic pet toy | Joseph P. Markham | 1989-02-07 |