Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D308613 | Back rest cushion | Robert F. Clark | 1990-06-19 |
| D284724 | Neck support rest | Robert F. Clark | 1986-07-22 |
| 4432107 | Neck support rest | Robert F. Clark | 1984-02-21 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D308613 | Back rest cushion | Robert F. Clark | 1990-06-19 |
| D284724 | Neck support rest | Robert F. Clark | 1986-07-22 |
| 4432107 | Neck support rest | Robert F. Clark | 1984-02-21 |