TREA

Serge Gracovetsky

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  • St. Lambert, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Blackening sensor
    • Patent number 4,252,443
    • Issue date Feb 24, 1981
    • Domtar Inc
    • John M. Lucas
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Sensor contact
    • Patent number 4,194,840
    • Issue date Mar 25, 1980
    • John M. Lucas
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Surface sensor
    • Patent number 4,092,068
    • Issue date May 30, 1978
    • Domtar Inc.
    • John Martin Lucas
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Measuring the surface roughness of a moving sheet material
    • Patent number 4,019,066
    • Issue date Apr 19, 1977
    • Domtar Limited
    • John M. Lucas
    • G01 - MEASURING TESTING