TREA

Kathleen A. Hachey

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  • Hudson, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Durable retroreflective elements
    • Patent number 5,774,265
    • Issue date Jun 30, 1998
    • Minnesota Mining and Manufacturing Company
    • James P. Mathers
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Retroreflective elements
    • Patent number 5,750,191
    • Issue date May 12, 1998
    • Minnesota Mining and Manufacturing Company
    • Kathleen A. Hachey
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Patterned chalk-resistant pavement marking and method of making
    • Patent number 5,593,246
    • Issue date Jan 14, 1997
    • Minnesota Mining and Manufacturing Company
    • Thomas P. Hedblom
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Method for making retroreflective article with dual reflectors
    • Patent number 5,571,362
    • Issue date Nov 5, 1996
    • Minnesota Mining and Manufacturing Company
    • Kathleen A. Hachey
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Retroreflective article with dual reflector
    • Patent number 5,417,515
    • Issue date May 23, 1995
    • Minnesota Mining and Manufacturing Company
    • Kathleen A. Hachey
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL