Inventor
CAMPBELL JOHN CLAYTON
US5 patents
Patents
5 patentsUS9797163B2Oct 24, 2017
Identification module for key making machine
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US10400474B1Sep 3, 2019
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US10301844B2May 28, 2019
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US10577830B2Mar 3, 2020
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US11642744B2May 9, 2023
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