TREA

Richard C. Tringali

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  • Manitowoc, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drafting board with replaceable surface layer
    • Patent number 4,716,840
    • Issue date Jan 5, 1988
    • Hamilton Industries
    • Richard C. Tringali
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Filter assembly
    • Patent number 4,269,615
    • Issue date May 26, 1981
    • American Hospital Supply Corporation
    • Jon A. Zboralski
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Inflatable-deflatable pad and air control system therefor
    • Patent number 4,197,837
    • Issue date Apr 15, 1980
    • American Hospital Supply Corporation
    • Richard C. Tringali
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Caster and swivel lock assembly
    • Patent number 4,037,291
    • Issue date Jul 26, 1977
    • American Hospital Supply Corporation
    • David F. Huempfner
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Seal strips for fume hoods
    • Patent number 3,942,421
    • Issue date Mar 9, 1976
    • American Hospital Supply Corporation
    • Richard C. Tringali
    • B08 - CLEANING