John C. Fravel

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hard disk drive architecture
- Patent number 5,396,384
- Issue date Mar 7, 1995
- Quantum Corporation
- Robert A. Caldeira
- G11 - INFORMATION STORAGE
Information Patent Grant
Control apparatus for serial printer
- Patent number 4,103,766
- Issue date Aug 1, 1978
- Xerox Corporation
- Frank D. Ruble
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Control apparatus for serial printer
- Patent number 4,091,911
- Issue date May 30, 1978
- Xerox Corporation
- Louis H. Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Increment-decrement logic for serial printer
- Patent number 4,058,195
- Issue date Nov 15, 1977
- Xerox Corporation
- John C. Fravel
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Position retry apparatus for serial printer
- Patent number 4,037,216
- Issue date Jul 19, 1977
- Xerox Corporation
- Louis H. Chang
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
MULTIPLE-SENSOR-ELECTRODE CAPACITIVE BUTTON
- Publication number 20090107737
- Publication date Apr 30, 2009
- Joesph K Reynolds
- G06 - COMPUTING CALCULATING COUNTING