33
/pt/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
3615007
330036
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
Close
Create a timeline
Public timelines
FAQ
About & Feedback
Acordo
Privacidade
FAQ
Support 24/7
Cabinet
Get premium
Donate
20 set 1966 ano - US3273165A Award date: 9/20/1966 Status; Expired
Adicionado na linha do tempo:
Patent timeline
By
Chris Reid
18 dez 2019
0
0
393
Data:
20 set 1966 ano
Agora
~ 59 years ago
About & Feedback
Acordo
Privacidade
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
