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Gerald M. Brostrom

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  • Burnsville, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Half-mask respirator with head harness assembly
    • Patent number 6,732,733
    • Issue date May 11, 2004
    • 3M Innovative Properties Company
    • Gerald M. Brostrom
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Drop-down face mask assembly
    • Patent number 6,457,473
    • Issue date Oct 1, 2002
    • 3M Innovative Properties Company
    • Gerald M. Brostrom
    • A41 - WEARING APPAREL
  • Information Patent Grant

    Full-face respirator lens
    • Patent number D426298
    • Issue date Jun 6, 2000
    • 3M Innovative Properties Company
    • Vaughn B. Grannis
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Drop-down face mask assembly
    • Patent number 6,062,221
    • Issue date May 16, 2000
    • 3M Innovative Properties Company
    • Gerald M. Brostrom
    • A41 - WEARING APPAREL
  • Information Patent Grant

    Carriage for drop-down mask assembly
    • Patent number D421801
    • Issue date Mar 21, 2000
    • 3M Innovative Properties Company
    • Gerald M. Brostrom
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Carriage for drop-down mask assembly
    • Patent number D421299
    • Issue date Feb 29, 2000
    • 3M Innovative Properties Company
    • Gerald M. Brostrom
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Face seal for respirator
    • Patent number 6,016,805
    • Issue date Jan 25, 2000
    • 3M Innovative Properties Company
    • James A. Burns
    • A42 - HEADWEAR
  • Information Patent Grant

    Full face respirator lens
    • Patent number D409744
    • Issue date May 11, 1999
    • Minnesota Mining and Manufacturing Company
    • Vaughn B. Grannis
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Full face respirator lens
    • Patent number D388872
    • Issue date Jan 6, 1998
    • Minnesota Mining and Manufacturing Company
    • Vaughn B. Grannis
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Buckle
    • Patent number D379160
    • Issue date May 13, 1997
    • Minnesota Mining and Manufacturing Company
    • Ronald C. Johansson
    • D11 - Jewelry, symbolic insignia, and ornaments
  • Information Patent Grant

    Full face respirator
    • Patent number D378610
    • Issue date Mar 25, 1997
    • Minnesota Mining and Manufacturing Company
    • Joseph G. Reischel
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Molded head harness
    • Patent number 5,481,763
    • Issue date Jan 9, 1996
    • Minnesota Mining and Manufacturing Company
    • Gerald M. Brostrom
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Molded head harness
    • Patent number 5,394,568
    • Issue date Mar 7, 1995
    • Minnesota Mining and Manufacturing Company
    • Gerald M. Brostrom
    • A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Drop-down face mask assembly
    • Publication number 20020088466
    • Publication date Jul 11, 2002
    • 3M Innovative Properties Company
    • Gerald M. Brostrom
    • A62 - LIFE-SAVING FIRE-FIGHTING