Individual holder
HANNAPPEL GERALD J
3 granted patents·108 citations·filing 1983–1986
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0175US4648617AConvertible load carrying apparatus for all terrain vehiclesHANNAPPEL GERALD J·Filed 1985·Granted Mar 10, 1987·54 cites·22 claims
- 0272US4522420AAll terrain vehicle conversion systemHANNAPPEL GERALD J·Filed 1983·Granted Jun 11, 1985·46 cites·10 claims
- 0337US4687447AAll terrain conversion system for three-wheeled vehiclesHANNAPPEL GERALD J·Filed 1986·Granted Aug 18, 1987·8 cites·4 claims
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