TREA

Edward L. Parr

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  • El Cajon, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Distillation apparatus
    • Patent number 4,954,223
    • Issue date Sep 4, 1990
    • Joseph E. Leary
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Push-in pipe connector
    • Patent number 4,130,305
    • Issue date Dec 19, 1978
    • Edward L. Parr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method and apparatus for making rectangular corrugated expansion jo...
    • Patent number 4,052,948
    • Issue date Oct 11, 1977
    • Straza Enterprises, Ltd.
    • George Thomas Straza
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Power generating machine actuated by ocean swells
    • Patent number 3,965,365
    • Issue date Jun 22, 1976
    • Edward L. Parr
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Bellows forming apparatus
    • Patent number 3,952,575
    • Issue date Apr 27, 1976
    • Straza Enterprises Ltd.
    • George T. Straza
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...