Phyllis M. Harnack

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Hastings-on-Hudson, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Cathode ray tube device with improved coolant
- Patent number 5,115,163
- Issue date May 19, 1992
- North American Philips Corporation
- Brian J. Fitzpatrick
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of reducing surface damage in KTP optical waveguides
- Patent number 5,015,328
- Issue date May 14, 1991
- North American Philips Corporation
- Brian J. Fitzpatrick
- C30 - CRYSTAL GROWTH
Information Patent Grant
Cathode ray tube device with improved color filtering system
- Patent number 4,617,490
- Issue date Oct 14, 1986
- North American Philips Corporation
- Brian J. Fitzpatrick
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for purification of II-VI crystals
- Patent number 4,244,753
- Issue date Jan 13, 1981
- North American Philips Corporation
- Phyllis M. Harnack
- C30 - CRYSTAL GROWTH