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David T. Berquist

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

  • Information Patent Grant

    RFID data collection and use
    • Patent number 7,588,185
    • Issue date Sep 15, 2009
    • 3M Innovative Properties Company
    • David T. Berquist
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Software notes
    • Patent number 7,503,008
    • Issue date Mar 10, 2009
    • 3M Innovative Properties Company
    • David T. Berquist
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    User interface for portable RFID reader
    • Patent number 7,161,470
    • Issue date Jan 9, 2007
    • 3M Innovative Properties Company
    • David T. Berquist
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Topography of software notes
    • Patent number 6,437,807
    • Issue date Aug 20, 2002
    • 3M Innovative Properties Company
    • David T. Berquist
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Software notes
    • Patent number 6,411,310
    • Issue date Jun 25, 2002
    • Minnesota Mining and Manufacturing Co.
    • David T. Berquist
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Indexing and topography of software notes
    • Patent number 6,151,021
    • Issue date Nov 21, 2000
    • 3M Innovative Properties Company
    • David T. Berquist
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Attachment and control of software notes
    • Patent number 5,821,931
    • Issue date Oct 13, 1998
    • Minnesota Mining and Manufacturing Company
    • David T. Berquist
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Method for handling obscured items on computer displays
    • Patent number 5,689,666
    • Issue date Nov 18, 1997
    • 3M
    • David T. Berquist
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Software notes
    • Publication number 20060129944
    • Publication date Jun 15, 2006
    • David T. Berquist
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Radio frequency identification reader with removable media
    • Publication number 20040069851
    • Publication date Apr 15, 2004
    • Mitchell B. Grunes
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Software notes
    • Publication number 20020196284
    • Publication date Dec 26, 2002
    • David T. Berquist
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Methods of managing the transfer, use, and importation of data
    • Publication number 20020190862
    • Publication date Dec 19, 2002
    • 3M Innovative Properties Company
    • David T. Berquist
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    RFID data collection and use
    • Publication number 20020185532
    • Publication date Dec 12, 2002
    • David T. Berquist
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    User interface for portable rfid reader
    • Publication number 20010008390
    • Publication date Jul 19, 2001
    • 3M Innovative Properties Company
    • David T. Berquist
    • G06 - COMPUTING CALCULATING COUNTING