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Robert L. Zimmerman, Jr.

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  • Littleton, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rainwater recovery system
    • Patent number 7,025,076
    • Issue date Apr 11, 2006
    • Charles River Watershed Association
    • Robert L. Zimmerman, Jr.
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC