Inventor · disambiguated record
John M. Heffernan
Also filed as: HEFFERNAN JOHN M
2 granted patents·1 pending application·21 citations·filing 1994–2004
59Inventor score
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3 records- 0145US5886875AApparatus using a circuit board having a frangible portion apparatusMOTOROLA INC·Filed 1996·Granted Mar 23, 1999·13 cites·1 claims
- 0232US5558045ARefractory tile for open-spaced boiler tubesWHEELABRATOR ENVIRONMENT SYST·Filed 1994·Granted Sep 24, 1996·8 cites·9 claims
- 0330US2006101740A1Refractory tiles and mounting methodsZAMPELL ADVANCED REFRANCTORIES·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →