Inventor · disambiguated record
Timothy Heffield
Also filed as: HEFFIELD TIMOTHY · HEFFIELD TIMOTHY W
3 granted patents·5 pending applications·179 citations·filing 1997–2007
73Inventor score
Top patents by PatentIndex Score
8 records- 0196US7539466B2Amplifier with varying supply voltage and input attenuation based upon supply voltageMOTOROLA INC·Filed 2004·Granted May 26, 2009·104 cites·19 claims
- 0272US6009323AMethod of placing a call in a two-way radio communication systemMOTOROLA INC·Filed 1997·Granted Dec 28, 1999·75 cites·2 claims
- 0348US2008132283A1Mobile station that provides feedback indicative of whether it is being properly heldMOTOROLA INC·Filed 2007·Application pending·0 cites
- 0448US2006046761A1Method and apparatus to customize a universal notifierMOTOROLA INC·Filed 2004·Application pending·0 cites
- 0539US2005272444A1Method and system for directing users to coverageHEFFIELD TIMOTHY W·Filed 2004·Application pending·0 cites
- 0637US2007142105A1Auto extendable antenna and method of operationKORNELUK JOSE E·Filed 2005·Application pending·0 cites
- 0731US2005101339A1Method and apparatus for recursive audio storage in a communication systemFiled 2003·Application pending·0 cites
- 0829US9338277B2Method and system for responding to an emergency situation from a mobile communication deviceKADAVALLUR JYOTHI C·Filed 2007·Granted May 10, 2016·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →