Sliding glas door lock

A quick learner from Colorado says:
I am looking for the locking mechinism- the middle brass piece. It is a double locking latch. Patent number: 5820.170
User submitted image of their door hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Please see our 82-260 mortise lock. This could be a possible match for your hardware.
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