John S. Christie Jr.

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McLean, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Spectrophotometer-digital data processing system for appearance mea...
- Patent number 4,093,991
- Issue date Jun 6, 1978
- Hunter Associates Laboratory, Inc.
- John S. Christie
- G01 - MEASURING TESTING
Information Patent Grant
Sensing head assembly for multi-color printing press on-line densit...
- Patent number 4,003,660
- Issue date Jan 18, 1977
- Hunter Associates Laboratory, Inc.
- John S. Christie
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS