Assignee
RICWIL INC
US·3 granted patents·110 citations·filing 1981–1985
Top patents by PatentIndex Score
3 records- 0183US4532375AHeating device for utilizing the skin effect of alternating currentRICWIL INC·Filed 1983·Granted Jul 30, 1985·46 cites·6 claims
- 0273US4617449AHeating device for utilizing the skin effect of alternating currentRICWIL INC·Filed 1985·Granted Oct 14, 1986·34 cites·4 claims
- 0372US4436565AMethod of making a heating device for utilizing the skin effect of alternating currentRICWIL INC·Filed 1981·Granted Mar 13, 1984·30 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →