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Robert D. Elkin

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  • Claremont, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable speed inlet control valve
    • Patent number 4,476,942
    • Issue date Oct 16, 1984
    • Monogram Industries, Inc.
    • Robert D. Elkin
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Nipple chuck
    • Patent number 4,066,270
    • Issue date Jan 3, 1978
    • Collins Machinery Corporation
    • Robert D. Elkin
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus to remove rings from telephone hand set
    • Patent number 4,043,016
    • Issue date Aug 23, 1977
    • Collins Machinery Corporation
    • Robert D. Elkin
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pipe grooving apparatus
    • Patent number 4,041,747
    • Issue date Aug 16, 1977
    • Collins Machinery Corporation
    • Robert D. Elkin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...