Assignee
HANNON R DOUGLAS
5 granted patents·115 citations·filing 1981–1992
Technology mixB63H2
Top patents by PatentIndex Score
5 records- 0188USD324364SThree-blade propellerHANNON R DOUGLAS·Filed 1990·Granted Mar 3, 1992·37 cites·1 claims
- 0283USD324201SThree-blade propellerHANNON R DOUGLAS·Filed 1990·Granted Feb 25, 1992·27 cites·1 claims
- 0375US4482298AWeedless propellerHANNON R DOUGLAS·Filed 1981·Granted Nov 13, 1984·22 cites·10 claims
- 0472US5352093AWeedless propellerHANNON R DOUGLAS·Filed 1992·Granted Oct 4, 1994·20 cites·19 claims
- 0556USD324363SSix-blade propellerHANNON R DOUGLAS·Filed 1990·Granted Mar 3, 1992·9 cites·1 claims
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