33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
1961646
162097
2
Public Timelines
Menu
Public Timelines
FAQ
Public Timelines
FAQ
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
Create
Close
Create a timeline
Public timelines
Library
FAQ
dec 22, 1947 - John Bardeen, William Shockley, and Walter Brattain officially patented the first transistor in 1948
Added to timeline:
CPU Timeline
By
Cole Heeren
25 Oct 2018
0
0
400
Date:
dec 22, 1947
Now
~ 77 years ago
About & Feedback
Terms
Privacy
Library
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