John E. Freeman — 13 Patents at Delphi Technologies

John E. Freeman has been granted 13 US patents while listed as an inventor at Delphi Technologies. The first was granted in 1982 and the most recent in November 2006. John E. Freeman ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list John E. Freeman in Ossenvenne, TX, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7134179	Process of forming a capacitative audio transducer	William J. Baney, Timothy M. Betzner, Dan W. Chilcott, John C. Christenson, Timothy A. Vas +2 more	2006-11-14
6829814	Process of making an all-silicon microphone	William J. Baney, Timothy M. Betzner, Dan W. Chilcott, John C. Christenson, Timothy A. Vas +2 more	2004-12-14	$3,567,000
6750152	Method and apparatus for electrically testing and characterizing formation of microelectric features	John C. Christenson, Steven E. Staller, Troy Chase, Robert Lawrence Healton	2004-06-15	$1,080,000
6428713	MEMS sensor structure and microfabrication process therefor	John C. Christenson, Steven E. Staller, Troy Chase, Robert Lawrence Healton, David B. Rich	2002-08-06	$7,244,000
5969078	Compositions and methods for a protective surface coating useful to repair damaged surfaces	—	1999-10-19
5936022	Compositions and methods for a high performance protective coating	—	1999-08-10
4968538	Abrasion resistant coating and method of application	Ronald L. Clanton	1990-11-06
4939037	Composite sign post	Earl M. Zion	1990-07-03
4789567	Abrasion resistant coating and method of application	Ronald L. Clanton	1988-12-06
4767291	Single valve pump	—	1988-08-30
4475404	Pull tester	Woodrow T. Rutledge, Jr., Russell P. Rutledge	1984-10-09
4422508	Methods for pulling sucker rod strings	Woodrow T. Rutledge, Jr., Russel P. Rutledge	1983-12-27
4360288	Fiberglass sucker rod construction	Woodrow T. Rutledge, Jr., Russell P. Rutledge, Steven D. Clark	1982-11-23

John E. Freeman — 13 Patents

Issued Patents All Time

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