Hinge for a vanity

A home owner from Pinehurst, NC 28374 says:
There is Pat #3391420 printed on this hinge. Can I purchase 12 hinges?
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Tom from SWISCO responded:
In the past, customers have replaced the #3391420 with our 32-101. I can't truly say if this is what you need, because patent numbers can be unreliable in certain ways, but if you go over the dimensions, you might find that this part fits what you need.
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