We have a sliding glass patio door that was purchased and installed by Lowe's and the latch mechanism is broken and needs to be replaced. We've tried unsuccessfully to find a replacement,the details of the the door are,
It's a reliabilt by Atrium, either the 332 or 312 series.
Bob from SWISCO responded:
April 26, 2019
See our 82-265 Double-Point Mortise Lock. Look over the dimensions and see if you think this might work for you.