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oct 29, 2009 - Device For Childproofing a Door Lock #US0090266121A1 Inventor: Craig Publication Date: 10.29.2009 Status: Active Until - 11.4.2030
Added to timeline:
Engineering Patent Timeline
By
Shannon Austria
18 Dec 2019
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336
Date:
oct 29, 2009
Now
~ 16 years ago
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