TREA

Robert M. Rood

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  • Woodbury, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hinged visor-type door for tape cassette
    • Patent number 4,527,755
    • Issue date Jul 9, 1985
    • Minnesota Mining and Manufacturing Company
    • Robert M. Rood
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Videocassette tape spool having a wear button
    • Patent number 4,520,969
    • Issue date Jun 4, 1985
    • Minnesota Mining and Manufacturing Company
    • James J. Wulfing
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Tape spool
    • Patent number 4,515,323
    • Issue date May 7, 1985
    • Minnesota Mining and Manufacturing Company
    • Robert M. Rood
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Tape roller for a tape cassette
    • Patent number 4,515,330
    • Issue date May 7, 1985
    • Minnesota Mining and Manufacturing Company
    • James J. Wulfing
    • G11 - INFORMATION STORAGE