Patio Door Lock Mechnism

A contractor from Oceanside says:
The patio slider was installed approx. 10 years ago by a windows company in Southern California. The only markings are: "Patent pending" and "This End Up".

Thank you.

Karin
User submitted photos of patio door hardware.
Profile picture of Casey
Casey from SWISCO responded:
Thanks for writing in, Karin. I believe the best match for you would be our 82-238 mortise lock. Take a look and let us know if you agree.
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