Hello, I am needing a RH crank system for my old house windows. It has serial numbers etc PAT.NO. 198202 U.S, 2 RH,RD, 1963 CAN. If you need any other information please email me
Regards Charlene
Bob from SWISCO responded:
April 21, 2020
Hey Charlene. Start by looking at our 39-060 and 39-061 Keller Window Cranks. Go over the dimensions and see if these match what you need.