Patio Door Lock Assembly - DNS Industries
A handy person from Bartlett IL says:
October 3, 2015
I'm trying to get a replacement for this, the slide lever on the left that is supposed to move the latch in and out so you and release it in order to open the sliding door does not work.
Paul from SWISCO responded:
October 6, 2015
I would recommend looking at our 82-009A surface-mount handle set. This looks very similar to your setup.