Inventor
HALES DEVIN J
US3 patents
Patents
3 patentsUS8651461B2Feb 18, 2014
Towrope winch safety shutoff switch
CHRISTENSEN LADD E33 citations90
US8220405B2Jul 17, 2012
Winch system safety device controlled by towrope angle
CHRISTENSEN LADD E16 citations89
US8757079B2Jun 24, 2014
Winch system safety device controlled by towrope angle
CHRISTENSEN LADD E2 citations59