I would like you to help me find this window lock

A home owner from Maryland says:
We have several broken locks on our windows. The markings on the inside of the lock is stamped 3280. From hole to hole it is 21/4 and from edge to hole it is 3/8.
User submitted photos of window locks.
Profile picture of Paul
Paul from SWISCO responded:
Thank you for posting. Please check out our 90-173, Sash Lock and Keeper, to see if this can work as a replacement.
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