IP Library › Granted Patent US 4,923,419
Granted Patent Utility
US 4,923,419 · App. 07/180,544

Positive drive swim fin

Inventor: Kevin I. McCarthy
Patented Case View Patent ↗
Granted: May 8, 1990 Filed: Apr 12, 1988
Inventor
Kevin I. McCarthy

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Quick Facts
Patent No.
US 4,923,419
App. No.
07/180,544
Filed
1988-04-12
Granted
1990-05-08
Kind
A