TREA

Douglas J. Hohlbein

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  • Central Islip, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Temperature-controlled homogenizer with sample gripper
    • Patent number 5,267,790
    • Issue date Dec 7, 1993
    • SP Industries Limited Partnership
    • David T. Sutherland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Active cartridge display for hardware modeler
    • Patent number 5,235,530
    • Issue date Aug 10, 1993
    • Racal-Redac, Inc.
    • John P. Herz
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Developer solution cartridge
    • Patent number D325923
    • Issue date May 5, 1992
    • E. I. Du Pont de Nemours and Company
    • Jon F. Boyer
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Wash cartridge
    • Patent number D325591
    • Issue date Apr 21, 1992
    • E. I. Du Pont de Nemours and Company
    • Jon F. Boyer
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Fixer cartridge
    • Patent number D325592
    • Issue date Apr 21, 1992
    • E. I. Du Pont de Nemours and Company
    • Jon F. Boyer
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Apparatus for processing photosensitive material
    • Patent number D323524
    • Issue date Jan 28, 1992
    • E. I. Du Pont de Nemours and Company
    • Jon F. Boyer
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Method and apparatus for processing photosensitive material
    • Patent number 5,070,351
    • Issue date Dec 3, 1991
    • E. I. Du Pont de Nemours and Company
    • Joel L. Vanover
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Shelving system having two sets of locking tapers
    • Patent number 4,989,519
    • Issue date Feb 5, 1991
    • InterMetro Industries Corporation
    • John H. Welsch
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...