IP Library › Granted Patent US 3,942,903
Granted Patent Utility
US 3,942,903 · App. 05/463,308

Unitary porous themoplastic writing nib

Inventors: Clarence A. Dickey, John E. McDaniel
Patented Case View Patent ↗
Granted: Mar 9, 1976 Filed: Apr 23, 1974
Inventors
Clarence A. Dickey
John E. McDaniel
Assignee (at issue)
Glasrock Products, Inc.

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Quick Facts
Patent No.
US 3,942,903
App. No.
05/463,308
Filed
1974-04-23
Granted
1976-03-09
Kind
A