IP Library › Granted Patent US 4,273,458
Granted Patent Utility
US 4,273,458 · App. 06/079,110

Writing implement

Inventors: James W. Mansheim, William M. Martz
Patented Case View Patent ↗
Granted: Jun 16, 1981 Filed: Sep 26, 1979
Inventors
James W. Mansheim
William M. Martz
Assignee (at issue)
Textron Inc.

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Quick Facts
Patent No.
US 4,273,458
App. No.
06/079,110
Filed
1979-09-26
Granted
1981-06-16
Kind
A