the name "Guardian" appears on it

A handy person from Pa. says:
I'm trying to identify this locking handle for a left side opening patio door labeled Guardian.

User submitted photos of a patio door handle.
Profile picture of Tom
Tom from SWISCO responded:
Good afternoon! Have you seen our 82-035? Check it out and see if this is a possible match.
A professional from California says:
looks like 82-218 mortise lock is missing.
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