Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613408 | Weight compensating method and apparatus | Paul Wierzba, R. Craig Hannah | 1997-03-25 |
| 5605078 | Weight compensating method and apparatus | Paul Wierzba, R. Craig Hannah | 1997-02-25 |
| 5592858 | Weight compensating method and apparatus | — | 1997-01-14 |