Roger F. Edgar

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Maldon, GB

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for sensing or determining one or more propert...
- Patent number 4,952,061
- Issue date Aug 28, 1990
- Infrared Engineering Limited
- Roger F. Edgar
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for sensing or determining one or more propert...
- Patent number 4,885,709
- Issue date Dec 5, 1989
- Infrared Engineering Limited
- Roger F. Edgar
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Absorption gauge for determining the thickness, moisture content or...
- Patent number 4,743,775
- Issue date May 10, 1988
- Infrared Engineering, Ltd.
- Roger F. Edgar
- G01 - MEASURING TESTING
Information Patent Grant
Calibration standard for infrared absorption gauge
- Patent number 4,465,929
- Issue date Aug 14, 1984
- Infrared Engineering Limited
- Roger F. Edgar
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for measuring a radiation affecting parameter of a film o...
- Patent number 4,320,967
- Issue date Mar 23, 1982
- Infra-Red Engineering Ltd.
- Roger F. Edgar
- G01 - MEASURING TESTING