Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621987 | Implement coupling assembly for excavator machines and the like | Samuel S. Pratt, Dan Shaffer, Ashley Heiple | 1997-04-22 |
| 5618157 | Detachable coupler assembly | Samuel S. Pratt, Dan Shaffer, Ashley Heiple | 1997-04-08 |
| 5611158 | Assembly for coupling an implement to an operating arm of a machine in various angular positions | Samuel S. Pratt, Dan Shaffer, Ashley Heiple, Peter N. Lalos | 1997-03-18 |