Stuart J. Stephen

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Waihou, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatus for measuring electrical conductivity
- Patent number 4,309,660
- Issue date Jan 5, 1982
- AHI Operations, Limited
- Stuart J. Stephen
- G01 - MEASURING TESTING
Information Patent Grant
Electrical conductivity indicators and/or methods of using same
- Patent number 4,156,179
- Issue date May 22, 1979
- Ahi Operations Limited
- Stuart J. Stephen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE