Can't see any markings of a namw on window latch

A handy person from Indianapolis, IN says:
March 2, 2017
Looking to replace 5 Window latches as the levers are broken. Hoping to find a replacement latch with the same dimensions(screw hole locations, hook mechanism fits into window casment etc so I can make a simple replacement).
operator lock
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Dave Sr. from SWISCO responded:
March 8, 2017
You have an older style casement window lock that is no longer available. Look to see if you can replace it with something like our 38-075 lock and 38-089 keeper. Unfortunately, you might need to contact a professional to see if they can install the new lock for you. It may require altering the trim for it to fit. You might also need to replace the side window stop to accommodate the different style lock. I'm sorry we can't offer a better replacement option.
Truth Hardware Low Profile Sash Lock
Truth Hardware Low Profile Sash Lock
38-075
$10.37
Casement Window Keeper
Casement Window Keeper
38-089
$2.27
How to Replace a Casement Window Lock & Keeper
How to Replace a Casement Window Lock & Keeper
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Anatomy of a casement window
Anatomy of a casement window
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