Need two of these triple coil window springs please.

A handy person from Colleyville TX says:
Need two of these triple coil window springs please. Can you help me find what I need? Thanks.
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A handy person from Colleyville TX says:
I found what I needed by typing in the patent number 4.610.108 which is your part# 15-191. The springs are OK and don't need to be replaced, just the shoes. You have a great website. Thanks.
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Casey from SWISCO responded:

Hello,

I'm glad you were able to find the part you need. I agree that the 15-191 would be a match to your pivot shoe as long as the width and thickness matches up to yours. Thanks for posting and please let us know if you have any other questions. Thank you!

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