Patio door handle from the 60s or 70s

A home owner from Denver says:
July 8, 2021
My patio door is an old one. I'm guessing from the 1960s. The screw spacing is 3 inches OC and the latch is surface mounted not in the door itself. I couldn't find any brand or numbers.
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Casey from SWISCO responded:
July 13, 2021

Hello,

Take a look and compare our 82-013 handle set to yours. Thanks for posting! 
Sliding Door Handle Set, 3" Hole Centers
Sliding Door Handle Set, 3" Hole Centers
82-013
$27.45
Reversing the thumb lock on the Swisco 82-013 Sliding Door Handle
Reversing the thumb lock on the Swisco 82-013 Sliding Door Handle
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