Membership
Tour
Register
Log in
2139257
Follow
Information
Patent Grant
2139257
References
Source
Patent Number
2,139,257
Date Filed
Not available
Date Issued
Tuesday, December 6, 1938
85 years ago
CPC
B41J21/08 - Mechanisms for initiating, effecting, skipping, or stopping tabulation movement Means for centralising short lines
US Classifications
400 - Typewriting machines
Information
Content
Industries
Organizations
People
Transactions
Events
Impact
Timeline
Text data is not available. Click on
here
to see the original data.