John C. Gustafson

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Waltham, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor metal composite field emission cathodes
- Patent number 5,211,707
- Issue date May 18, 1993
- GTE Laboratories Incorporated
- Brian M. Ditchek
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making electrical contacts
- Patent number 4,450,135
- Issue date May 22, 1984
- GTE Laboratories Incorporated
- Thomas E. Peters
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for selecting an additive for electrical contacts
- Patent number 4,361,033
- Issue date Nov 30, 1982
- GTE Laboratories Incorporated
- Han J. Kim
- G01 - MEASURING TESTING
Information Patent Grant
Electrical contacts
- Patent number 4,294,616
- Issue date Oct 13, 1981
- GTE Products Corporation
- Han J. Kim
- G01 - MEASURING TESTING
Information Patent Grant
Electric gas ignitor utilizing a fiber ignition element
- Patent number 4,206,492
- Issue date Jun 3, 1980
- GTE Laboratories Incorporated
- William H. Rhodes
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS