IP Library › Granted Patent US 4,989,870
Granted Patent Utility
US 4,989,870 · App. 07/463,766

Tennis racket

Inventor: Richard Janes
Patented Case View Patent ↗
Granted: Feb 5, 1991 Filed: Jan 12, 1990
Inventor
Richard Janes
Assignee (at issue)
Spalding & Evenflo Companies, Inc.

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Quick Facts
Patent No.
US 4,989,870
App. No.
07/463,766
Filed
1990-01-12
Granted
1991-02-05
Kind
A