TREA

Elmer Blackwell

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  • Woodbury, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sheet stack
    • Patent number 5,607,737
    • Issue date Mar 4, 1997
    • Minnesota Mining and Manufacturing Company
    • Elmer Blackwell
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Dispenser package
    • Patent number 5,518,144
    • Issue date May 21, 1996
    • Minnesota Mining and Manufacturing Company
    • Bruce E. Samuelson
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Sheet stack
    • Patent number 5,401,547
    • Issue date Mar 28, 1995
    • Minnesota Mining and Manufacturing Company
    • Elmer Blackwell
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Tape dispenser
    • Patent number D348484
    • Issue date Jul 5, 1994
    • Minnesota Mining and Manufacturing
    • Elmer Blackwell
    • D19 - Office supplies
  • Information Patent Grant

    Sheet dispenser with optional support or attachment means
    • Patent number 5,299,712
    • Issue date Apr 5, 1994
    • Minnesota Mining and Manufacturing Company
    • Casey L. Carlson
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Sheet stack and dispenser package therefor
    • Patent number 5,086,946
    • Issue date Feb 11, 1992
    • Minnesota Mining and Manufacturing Company
    • Elmer Blackwell
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Repositionable adhesive
    • Patent number 5,073,457
    • Issue date Dec 17, 1991
    • Minnesota Mining and Manufacturing Company
    • Elmer Blackwell
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...