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David L. Hendren, Jr.

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  • Gardner, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical element driving circuit
    • Patent number 7,471,049
    • Issue date Dec 30, 2008
    • SimplexGrinnell LP
    • Kenneth E. Savage, Jr.
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Optical element driving circuit
    • Patent number 7,456,585
    • Issue date Nov 25, 2008
    • SimplexGrinnell LP
    • Kenneth E. Savage, Jr.
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR