Assignee

PRINCIPIA RECH DEV

FR·2 granted patents·29 citations·filing 1987–1990

Technology mixB63B1 B64C1 E04H1 F15D1 F42B1 Y02T1

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2 records

0152US4810129AArrangement for generating waves in a body of waterPRINCIPIA RECH DEV·Filed 1987·Granted Mar 7, 1989·23 cites·5 claims
0220US5024396AAir or submarine engine with improved contourPRINCIPIA RECH DEV·Filed 1990·Granted Jun 18, 1991·6 cites·3 claims

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