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Larry D. Rich

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

  • Information Patent Grant

    Sanding disc
    • Patent number 6,761,746
    • Issue date Jul 13, 2004
    • 3M Innovative Properties Company
    • Larry D. Rich
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Sanding disc
    • Patent number 6,530,830
    • Issue date Mar 11, 2003
    • 3M Innovative Properties Company
    • Larry D. Rich
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Reinforcing elements for castable composition
    • Patent number 5,897,928
    • Issue date Apr 27, 1999
    • Minnesota Mining and Manufacturing Company
    • James F. Sanders
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Reinforcing elements for castable compositions
    • Patent number 5,807,458
    • Issue date Sep 15, 1998
    • Minnesota Mining and Manufacturing Company
    • James F. Sanders
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Masonry treatment composition
    • Patent number 5,702,509
    • Issue date Dec 30, 1997
    • Minnesota Mining and Manufacturing Company
    • Mark J. Pellerite
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Aqueous dispersable oil and water repellent silane masonry penetrants
    • Patent number 5,527,931
    • Issue date Jun 18, 1996
    • Minnesota Mining and Manufacturing Company
    • Larry D. Rich
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Felted foam back up pad
    • Patent number 4,893,436
    • Issue date Jan 16, 1990
    • Minnesota Mining and Manufacturing Company
    • Larry D. Rich
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Sanding pad
    • Patent number 4,714,644
    • Issue date Dec 22, 1987
    • Minnesota Mining and Manufacturing Company
    • Larry D. Rich
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Positive or negative developable photosensitive composition
    • Patent number 3,961,961
    • Issue date Jun 8, 1976
    • Minnesota Mining and Manufacturing Company
    • Larry D. Rich
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    Sanding disc
    • Publication number 20030119437
    • Publication date Jun 26, 2003
    • 3M Innovative Properties Company
    • Larry D. Rich
    • B24 - GRINDING POLISHING
  • Information Patent Application

    Sanding disc
    • Publication number 20020132573
    • Publication date Sep 19, 2002
    • 3M Innovative Properties Company
    • Larry D. Rich
    • B24 - GRINDING POLISHING