John Emmett Freeman

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Kempton, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Process of forming a capacitative audio transducer
- Patent number 7,134,179
- Issue date Nov 14, 2006
- Delphi Technologies, Inc.
- John E. Freeman
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Process of making an all-silicon microphone
- Patent number 6,829,814
- Issue date Dec 14, 2004
- Delphi Technologies, Inc.
- John E. Freeman
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Method and apparatus for electrically testing and characterizing fo...
- Patent number 6,750,152
- Issue date Jun 15, 2004
- Delphi Technologies, Inc.
- John Carl Christenson
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
MEMS sensor structure and microfabrication process therefor
- Patent number 6,428,713
- Issue date Aug 6, 2002
- Delphi Technologies, Inc.
- John Carl Christenson
- B81 - MICRO-STRUCTURAL TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
Method of aligning mask layers to buried features
- Publication number 20070269959
- Publication date Nov 22, 2007
- John E. Freeman
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Process of making an all-silicon microphone
- Publication number 20050101047
- Publication date May 12, 2005
- DELPHI TECHNOLOGIES, INC.
- John E. Freeman
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
MEMS sensor structure and microfabrication process therefor
- Publication number 20020125208
- Publication date Sep 12, 2002
- DELPHI TECHNOLOGIES, INC.
- John Carl Christenson
- B81 - MICRO-STRUCTURAL TECHNOLOGY