John C. Parr

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Woodland Hills, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Lossless annular rotary RF coupler
- Patent number 4,427,983
- Issue date Jan 24, 1984
- International Telephone & Telegraph Corporation
- Bradford E. Kruger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Around-the-mast rotary coupler with individual power module excitation
- Patent number 4,424,516
- Issue date Jan 3, 1984
- International Telephone & Telegraph Corporation
- Bradford E. Kruger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power transfer ripple reduction method and means for rotary annular...
- Patent number 4,253,101
- Issue date Feb 24, 1981
- International Telephone & Telegraph Corporation
- John C. Parr
- H01 - BASIC ELECTRIC ELEMENTS