Inventor · disambiguated record
John P. Callahan
Also filed as: CALLAHAN JOHN · CALLAHAN JOHN P
7 granted patents·102 citations·filing 1975–2020
84Inventor score
Top patents by PatentIndex Score
7 records- 0181US6489035B1Applying resistive layer onto copperGOULD ELECTRONICS INC·Filed 2000·Granted Dec 3, 2002·23 cites·18 claims
- 0272US5120590AProtected conductive foil and procedure for protecting an electrodeposited metallic foil during further processingGOULD INC·Filed 1991·Granted Jun 9, 1992·36 cites·58 claims
- 0371US6489034B1Method of forming chromium coated copper for printed circuit boardsGOULD ELECTRONICS INC·Filed 2000·Granted Dec 3, 2002·12 cites·19 claims
- 0450US5167997AProtected conductive foil assemblage and procedure for preparing same using static electrical forcesGOULD INC·Filed 1990·Granted Dec 1, 1992·22 cites·36 claims
- 0537US6589413B2Method of making a copper on INVAR® compositeGOULD ELECTRONICS INC·Filed 2001·Granted Jul 8, 2003·0 cites·15 claims
- 0637US3984205AFlame ionization detectorFOXBORO CO·Filed 1975·Granted Oct 5, 1976·9 cites·10 claims
- 0736US11326503B2Portable exhaust removal systemCALLAHAN JOHN P·Filed 2020·Granted May 10, 2022·0 cites·1 claims
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