IP Library › Granted Patent US 4,661,004
Granted Patent Utility
US 4,661,004 · App. 06/728,980

Ribbon feed tension mechanism

Inventors: Steven L. Applegate, James A. Craft
Patented Case View Patent ↗
Granted: Apr 28, 1987 Filed: Apr 30, 1985
Inventors
Steven L. Applegate
James A. Craft
Assignee (at issue)
International Business Machines Corporation

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Quick Facts
Patent No.
US 4,661,004
App. No.
06/728,980
Filed
1985-04-30
Granted
1987-04-28
Kind
A