Individual holder
JOHN ERWIN R
US·4 granted patents·405 citations·filing 1986–2012
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0187US4846190AElectroencephalographic system data displayJOHN ERWIN R·Filed 1987·Granted Jul 11, 1989·273 cites·20 claims
- 0276US4705049AIntraoperative monitoring or EP evaluation system utilizing an automatic adaptive self-optimizing digital comb filterJOHN ERWIN R·Filed 1986·Granted Nov 10, 1987·129 cites·7 claims
- 0370US8647329B2System and method for correction of intracerebral chemical imbalancesJOHN ERWIN R·Filed 2012·Granted Feb 11, 2014·3 cites·19 claims
- 0449US8226594B2System and method for correction of intracerebral chemical imbalancesJOHN ERWIN R·Filed 2010·Granted Jul 24, 2012·0 cites·14 claims
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