Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893808 | Exercise apparatus for the neck | Donald R. McIntyre, James A. Sawhill | 1990-01-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893808 | Exercise apparatus for the neck | Donald R. McIntyre, James A. Sawhill | 1990-01-16 |