Yat S. Chan

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London, GB

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Patents Grantslast 30 patents

Information Patent Grant
Electrochemical gas sensor
- Patent number 5,395,507
- Issue date Mar 7, 1995
- William J. Aston
- G01 - MEASURING TESTING
Information Patent Grant
Gas diffusion control assembly
- Patent number 5,321,971
- Issue date Jun 21, 1994
- The Governor and Company of the Bank of Scotland
- Bryan S. Hobbs
- G01 - MEASURING TESTING
Information Patent Grant
Gas sensor
- Patent number 5,234,567
- Issue date Aug 10, 1993
- City Technology Limited
- Bryan S. Hobbs
- G01 - MEASURING TESTING
Information Patent Grant
Gas sensor
- Patent number 4,633,704
- Issue date Jan 6, 1987
- City Technology Limited
- Anthony D. S. Tantram
- G01 - MEASURING TESTING
Information Patent Grant
Gas sensor
- Patent number 4,587,003
- Issue date May 6, 1986
- City Technology Limited
- Anthony D. S. Tantram
- G01 - MEASURING TESTING
Information Patent Grant
Gas sensor
- Patent number 4,474,648
- Issue date Oct 2, 1984
- City Technology Limited
- Anthony D. S. Tantram
- G01 - MEASURING TESTING
Information Patent Grant
Gas sensor
- Patent number 4,406,770
- Issue date Sep 27, 1983
- Coal Industry (Patents) Limited
- Yat S. Chan
- G01 - MEASURING TESTING
Information Patent Grant
Gas sensor
- Patent number 4,324,632
- Issue date Apr 13, 1982
- City Technology Limited
- Anthony D. S. Tantram
- G01 - MEASURING TESTING