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jul 9, 2002 - Quick Install Door Knob Assembly #CA2422445C Inventor: Nakasone: Armstrong Publication Date: 7.9.2002 Status: Active Until 7.16.2022
Added to timeline:
Engineering Patent Timeline
By
Shannon Austria
18 Dec 2019
0
0
328
Date:
jul 9, 2002
Now
~ 23 years ago
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