inside lock

A home owner from long beach california says:
attachment holes on 3 inch center--only name found was on top of door handle plastic ---(international) ---handle length 7 inches patio door was installed in 1977
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Tom from SWISCO responded:

Thanks for posting. Our 82-060 looks similar to the hardware in your photos, and it, too, is for an International brand door. Look it over and see what you think.

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