Individual holder
JOHNSON JOHN F
6 granted patents·1 pending application·53 citations·filing 1976–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
7 records- 0182US7536965B2Auxiliary lift attachment for a boat lift and method of using sameJOHNSON JOHN F·Filed 2007·Granted May 26, 2009·10 cites·2 claims
- 0276USD286015SDoor stopJOHNSON JOHN F·Filed 1984·Granted Oct 7, 1986·14 cites·1 claims
- 0366US4038866AElectronic probe for sensing and reproducing the sound of mechanical movementJOHNSON JOHN F·Filed 1976·Granted Aug 2, 1977·16 cites·8 claims
- 0460US7690669B2Adapter for a quick-connect tractor hitchJOHNSON JOHN F·Filed 2007·Granted Apr 6, 2010·5 cites·15 claims
- 0552US2008173732A1Counterbalance weight for a power washer wandJOHNSON JOHN F·Filed 2007·Application pending·0 cites
- 0644USD665958SAdjustable counterbalanced weight for a power washer wandJOHNSON JOHN F·Filed 2011·Granted Aug 21, 2012·5 cites·1 claims
- 0738USD593834SBoard straighterJOHNSON JOHN F·Filed 2007·Granted Jun 9, 2009·3 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →