TREA

Robert G. Kramer

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  • Cincinnati, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Disc package
    • Patent number 5,462,158
    • Issue date Oct 31, 1995
    • The C. W. Zumbiel Co.
    • Robert G. Kramer
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disc package
    • Patent number 5,427,236
    • Issue date Jun 27, 1995
    • The C. W. Zumbiel Co.
    • Robert G. Kramer
    • G11 - INFORMATION STORAGE