TREA

David E. Butz

Follow

Person

  • Littleton, MA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Disc pack assembly
    • Patent number 4,490,764
    • Issue date Dec 25, 1984
    • Data Packaging Corporation
    • David E. Butz
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disc pack with snap on handle
    • Patent number 4,355,340
    • Issue date Oct 19, 1982
    • Data Packaging Corporation
    • David E. Butz
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disk pack handle mechanism
    • Patent number 4,271,963
    • Issue date Jun 9, 1981
    • Data Packaging Corporation
    • David E. Butz
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disc pack handle mechanism
    • Patent number 4,253,129
    • Issue date Feb 24, 1981
    • Data Packaging Corporation
    • David E. Butz
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disk pack bottom cover with magnetic latch
    • Patent number 4,233,586
    • Issue date Nov 11, 1980
    • Data Packaging Corporation
    • Roy Kaplow
    • H01 - BASIC ELECTRIC ELEMENTS