Nicholas J. Barker

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Don Mills, CA

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Patents Grantslast 30 patents

Information Patent Grant
System for the detection of noxious contaminants in beverage and po...
- Patent number 5,350,565
- Issue date Sep 27, 1994
- Photovac Centre, Inc.
- Richard C. Leveson
- G01 - MEASURING TESTING
Information Patent Grant
Selective photoionization gas chromatograph detector
- Patent number 4,413,185
- Issue date Nov 1, 1983
- Her Majesty the Queen in right of Canada, as represented by the Minister of N...
- Richard C. Leveson
- G01 - MEASURING TESTING