Membership
Tour
Register
Log in
2229640
Follow
Information
Patent Grant
2229640
References
Source
Patent Number
2,229,640
Date Filed
Not available
Date Issued
Tuesday, January 28, 1941
83 years ago
CPC
H03D3/12 - by means of discharge tubes having more than two electrodes
US Classifications
455 - Telecommunications
332 - Modulators
Information
Content
Industries
Organizations
People
Transactions
Events
Impact
Timeline
Text data is not available. Click on
here
to see the original data.