Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428265 | Power coupling mounting for a quick-disconnect coupling on a heavy-duty machine | — | 2002-08-06 |
| 6301811 | Coupler for a heavy-duty machine | — | 2001-10-16 |
| 5484250 | Coupling for heavy-duty machine | Dale R. Johnson | 1996-01-16 |
| 5360313 | Coupling for heavy-duty machine | Dale R. Johnson | 1994-11-01 |
| 5199844 | Quick-disconnect coupling for a machine having a boom and a stick | James J. Maynard | 1993-04-06 |
| 5108252 | Quick-disconnect coupling for a machine having a boom and a stick | James J. Maynard | 1992-04-28 |
| 4693384 | Excavator boom derrick | — | 1987-09-15 |
| 4666049 | Sideboom excavator with lifting means | — | 1987-05-19 |