C. Martin Berdahl

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Sierra Madre, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus in the form of a disk for the separation of oxygen from o...
- Patent number 4,885,142
- Issue date Dec 5, 1989
- California Institute of Technology
- Jerry W. Suitor
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Fluidic angular velocity sensor
- Patent number 4,602,509
- Issue date Jul 29, 1986
- The United States of America as represented by the administrator of the Natio...
- C. Martin Berdahl
- G01 - MEASURING TESTING
Information Patent Grant
Selective image area control of x-ray film exposure density
- Patent number 4,063,092
- Issue date Dec 13, 1977
- The United States of America as represented by the administrator of the Natio...
- C. Martin Berdahl
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
X-ray exposure sensor and controller
- Patent number 4,053,774
- Issue date Oct 11, 1977
- California Institute of Technology
- C. Martin Berdahl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE