TREA

Lloyd Spencer

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  • Pasadena, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Irrigation emitter tube
    • Patent number 4,385,727
    • Issue date May 31, 1983
    • Lloyd Spencer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Irrigation emitter
    • Patent number 4,382,549
    • Issue date May 10, 1983
    • Mark H. Christy
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Multiple emitter flow control
    • Patent number 4,147,307
    • Issue date Apr 3, 1979
    • Mark H. Christy
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Means and method of installing emitters in irrigation tubing
    • Patent number 4,122,590
    • Issue date Oct 31, 1978
    • Lloyd Spencer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Flush-drip irrigation emitter
    • Patent number 4,113,180
    • Issue date Sep 12, 1978
    • Mark H. Christy
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Rodent deterrent irrigation tube
    • Patent number 4,095,618
    • Issue date Jun 20, 1978
    • Lloyd Spencer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Continuous tube multiple emitter
    • Patent number 4,095,745
    • Issue date Jun 20, 1978
    • Mark H. Christy
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Irrigation emitter
    • Patent number 4,058,257
    • Issue date Nov 15, 1977
    • Lloyd Spencer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING