Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7431269 | Ring sheave | Derek Carlson, Russ Vance, Kenn Dayton, Brian Mace | 2008-10-07 |
| 6375163 | Cable stringing block | Derek Carlson, Kenn Dayton, Russ Vance | 2002-04-23 |
| 6340271 | Conduit cable feeding sheave | Derek Carlson, Kenn Dayton, Russ Vance | 2002-01-22 |