TREA

James F. Lockwood

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  • Lenexa, KS, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball drive sprinkler
    • Patent number 4,783,004
    • Issue date Nov 8, 1988
    • Imperial Underground Sprinkler Co.
    • James F. Lockwood
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Ball drive sprinkler
    • Patent number 4,687,139
    • Issue date Aug 18, 1987
    • Imperial Underground Sprinkler Co.
    • James F. Lockwood
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Bubbler head structure
    • Patent number 4,477,026
    • Issue date Oct 16, 1984
    • Imperial Underground Sprinkler Co.
    • James F. Lockwood
    • E03 - WATER SUPPLY SEWERAGE