TREA

John L. Drake Jr.

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  • Arnold, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compress/melt processor for contaminated plastic waste
    • Patent number 5,489,200
    • Issue date Feb 6, 1996
    • The United States of America as represented by the Secretary of the Navy
    • Peter S. McGraw
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for processing contaminated plastic waste
    • Patent number 5,411,697
    • Issue date May 2, 1995
    • The United States of America as represented by the Secretary of the Navy
    • Peter S. McGraw
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Impeller assembly for processing device
    • Patent number 5,348,236
    • Issue date Sep 20, 1994
    • The United States of America as represented by the Secretary of the Navy
    • John D. Spargo
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Apparatus and method for molding of submerged surfaces
    • Patent number 4,303,608
    • Issue date Dec 1, 1981
    • Arthur Ticker
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL