TREA

Richard C. Brown

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  • Sheffield, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Passive dust sampler and method of dust estimation
    • Patent number 5,607,497
    • Issue date Mar 4, 1997
    • British Technology Group Limited
    • Richard C. Brown
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Blended-fibre filter material
    • Patent number 4,798,850
    • Issue date Jan 17, 1989
    • National Research Development Corporation
    • Richard C. Brown
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Respirable particle sampling instruments
    • Patent number 4,350,507
    • Issue date Sep 21, 1982
    • National Research Development Corporation
    • George K. Greenough
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL