Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D322871 | Pet collar | Barbara C. Heyman, William J. Inman | 1991-12-31 |
| 5046456 | Illuminated collar | Barbara C. Heyman, William J. Inman | 1991-09-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D322871 | Pet collar | Barbara C. Heyman, William J. Inman | 1991-12-31 |
| 5046456 | Illuminated collar | Barbara C. Heyman, William J. Inman | 1991-09-10 |