Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837874 | Person lifting device | Jaroslaw G. Alfer | 1989-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837874 | Person lifting device | Jaroslaw G. Alfer | 1989-06-13 |