33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
3621335
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
apr 17, 1990 - Door Latch With Blockout Child Safety Feature #CA2025496A1 Inventor: Portelli: Dzurko; Rimbey Publication Date: 4.17.1990 Status: Expired - 12.10.2019
Added to timeline:
Engineering Patent Timeline
By
Shannon Austria
18 Dec 2019
0
0
327
Date:
apr 17, 1990
Now
~ 35 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
