Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7426796 | Coupler for coupling an accessory to a dipper arm and a control system for such a coupler | Bartholomew James Cunningham, James Barron | 2008-09-23 |
| 6964122 | Coupler for coupling an accessory to a dipper arm and a control system for such a coupler | Bartholomew James Cunningham, James Barron, Thomas Martin De Courcey | 2005-11-15 |