Robert L. Zimmerman JR.

Person

  • Littleton, MA, US

Patents Applicationslast 30 patents

  • Information Patent Application

    MODULAR BLOCKS FOR RAINWATER RECOVERY SYSTEM

    • Publication number 20080149188
    • Publication date Jun 26, 2008
    • CHARLES RIVER WATERSHED ASSOCIATION
    • Robert L. Zimmerman
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    Rainwater recovery system

    • Publication number 20060169320
    • Publication date Aug 3, 2006
    • Robert L. Zimmerman
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    Rainwater recovery system

    • Publication number 20040040598
    • Publication date Mar 4, 2004
    • Robert L. Zimmerman
    • E03 - WATER SUPPLY SEWERAGE