TREA

Joseph G. Mandell

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  • St. Paul, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Privacy enclosure
    • Patent number 5,974,757
    • Issue date Nov 2, 1999
    • 3M Innovative Properties Company
    • Leland R. Whitney
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Privacy enclosure
    • Patent number 5,813,180
    • Issue date Sep 29, 1998
    • Minnesota Mining and Manufacturing Company
    • Leland R. Whitney
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Use of materials comprising microbubbles as acoustical barriers
    • Patent number 5,658,656
    • Issue date Aug 19, 1997
    • Minnesota Mining and Manufacturing Company
    • Leland R. Whitney
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Perforated acoustical attenuators
    • Patent number 5,504,281
    • Issue date Apr 2, 1996
    • Minnesota Mining and Manufacturing Company
    • Leland R. Whitney
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Window structure including a sheet of polymeric film
    • Patent number 4,319,623
    • Issue date Mar 16, 1982
    • Minnesota Mining and Manufacturing Company
    • Gerald P. Krogseng
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS