Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10772399 | Hinged walking cane | Joseph Ritter, Gregory J. Foster, Robert W. Sheldon | 2020-09-15 |
| D892489 | Walking cane | Joseph Ritter, Gregory J. Foster, Robert W. Sheldon | 2020-08-11 |
| 10492577 | Hinged walking cane | Joseph Ritter, Gregory J. Foster, Robert W. Sheldon | 2019-12-03 |
| D861320 | Walking cane | Joseph Ritter, Gregory J. Foster, Robert W. Sheldon | 2019-10-01 |
| D860627 | Hinged walking cane | Joseph Ritter, Gregory J. Foster, Robert W. Sheldon | 2019-09-24 |