Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653467 | Method and apparatus for easing the strain on legs and knees while on a ski lift | Robert Griffin, Kathleen C. Griffin | 1997-08-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653467 | Method and apparatus for easing the strain on legs and knees while on a ski lift | Robert Griffin, Kathleen C. Griffin | 1997-08-05 |