Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664932 | Pivoted lifting device | David M. Clonch, Freddy D. Boyd | 1997-09-09 |
| 5638879 | Externally changeable flail apparatus | Milan W. Robison | 1997-06-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664932 | Pivoted lifting device | David M. Clonch, Freddy D. Boyd | 1997-09-09 |
| 5638879 | Externally changeable flail apparatus | Milan W. Robison | 1997-06-17 |