33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
3621269
330612
2
Create a timeline
Public Timelines
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
FAQ
Get premium
Close
Create a timeline
Public timelines
FAQ
About & Feedback
Terms
Privacy
FAQ
Support 24/7
Cabinet
Get premium
Donate
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
0
0
328
Date:
oct 29, 2009
Now
~ 15 years ago
About & Feedback
Terms
Privacy
FAQ
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
