Individual holder
JOHNSON WILLIAM A
US·4 granted patents·1 pending application·100 citations·filing 1976–2012
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0192US4046320AFireplace boiler heating system for hot water type furnacesJOHNSON WILLIAM A·Filed 1976·Granted Sep 6, 1977·40 cites·8 claims
- 0290US4891932AGrain-saver dam for combine cutter barJOHNSON WILLIAM A·Filed 1989·Granted Jan 9, 1990·50 cites·7 claims
- 0378US8160284B2Amplification circuit and hearing aidJOHNSON WILLIAM A·Filed 2008·Granted Apr 17, 2012·8 cites·12 claims
- 0463US8660282B2Amplification circuit and hearing aidJOHNSON WILLIAM A·Filed 2012·Granted Feb 25, 2014·2 cites·19 claims
- 0541US2006098632A1System and method for integrated distribution of broadband servicesJOHNSON WILLIAM A·Filed 2005·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →