Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7543800 | Single stack manual marine winch | Russell J Mayhew, Eric Konvolinka, Erik Arlet | 2009-06-09 |
| 7478795 | Marine winch with winch-line engaging roller | Russell J Mayhew | 2009-01-20 |
| 7159852 | Manual marine winch internal gearing | Justin Dow, Erik Arlet, Richard A. Topping, Jr., Eric Konvolinka | 2007-01-09 |
| 6938881 | Manual marine winch with lead in webbing strap | — | 2005-09-06 |
| 6726182 | Manual winch with dual locking dogs | Richard A. Topping, Jr. | 2004-04-27 |
| 6572083 | Winch with safe load release system | Richard A. Topping, Jr., Russell J Mayhew | 2003-06-03 |
| 5947450 | Manual swivel winch with open bottom | — | 1999-09-07 |