TREA

Samuel Chatterley

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  • Florida Lake, ZA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shade determination
    • Patent number 4,280,625
    • Issue date Jul 28, 1981
    • Jacobus H. Grobbelaar
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Measurement of optical properties
    • Patent number 4,186,838
    • Issue date Feb 5, 1980
    • Charlie M. Levitt
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Cutting of materials by spark erosion
    • Patent number 4,103,137
    • Issue date Jul 25, 1978
    • Charlie Maurice Levitt
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR