patio door roller based on seeing lock?

A handy person from summerland key florida says:
any way to determine the make by looking at he lock assembly I need rollers and some locksets

thanks John
User submitted photos of patio door hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Your lock appears similar to our 82-008, which was made by DNS industries. I'm afraid they've been out of business for some time now.

This also means I'm unable to identify the door manufacturer, since many, many companies used DNS hardware. There is no way for us to identify the roller unless we can see it removed from the door.
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