Window crank/operator

A quick learner from Toledo, Ohio says:
June 23, 2020
I'm trying to find replacement part for my window crank, need both left and right arm. the only markings i can find on it are "GU" and "US Pat 6247270
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Tom from SWISCO responded:
June 26, 2020

Hello! This old GU operator isn't made anymore, but we actually have a video that you may find helpful. It shows you what modern hardware can be used as a substitute for your window. 
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