Assignee
HARRINGTON PRODUCTS INC
US·2 granted patents·16 citations·filing 1987–1989
Technology mixA63B2
Top patents by PatentIndex Score
2 records- 0123US4867720ASwimmer's propulsion enhancer and training device and methodHARRINGTON PRODUCTS INC·Filed 1989·Granted Sep 19, 1989·8 cites·26 claims
- 0223US4828521ASwimmer's propulsion enhancer and training device and methodHARRINGTON PRODUCTS INC·Filed 1987·Granted May 9, 1989·8 cites·15 claims
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