David M. Farmer

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Saanichton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Phase measurements using pseudo-random code
- Patent number 4,933,916
- Issue date Jun 12, 1990
- Canadian Patents and Development Limited
- George A. May
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for simulating phase coherent signal reflectio...
- Patent number 4,872,146
- Issue date Oct 3, 1989
- Canadian Patents and Development Limited
- David M. Farmer
- G01 - MEASURING TESTING
Information Patent Grant
Method for underwater acoustic direction sensing
- Patent number 4,800,541
- Issue date Jan 24, 1989
- Canadian Patents and Development Limited
- David M. Farmer
- G01 - MEASURING TESTING
Information Patent Grant
Acoustic scintillation liquid flow measurement
- Patent number 4,760,743
- Issue date Aug 2, 1988
- The United States of America as represented by the Secretary of Commerce
- Steven F. Clifford
- G01 - MEASURING TESTING