John R. Shambroom

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Lexington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Capacitance height gage applied in reticle position detection syste...
- Patent number 4,686,531
- Issue date Aug 11, 1987
- Control Data Corporation
- John R. Shambroom
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Calibration apparatus for capacitance height gauges
- Patent number 4,539,835
- Issue date Sep 10, 1985
- Control Data Corporation
- John R. Shambroom
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Capacitance height gage applied in reticle position detection syste...
- Patent number 4,538,069
- Issue date Aug 27, 1985
- Control Data Corporation
- John R. Shambroom
- B82 - NANO-TECHNOLOGY