Andrea Hartfelder

Person

  • Orchard Lake, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Sump sprinkler control system

    • Patent number 8,857,730
    • Issue date Oct 14, 2014
    • M.E.C. Systems
    • David Hartfelder
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    BUILDING FOUNDATION DRAINAGE GROUND WATER SUPPLY AND USE SYSTEM

    • Publication number 20180168119
    • Publication date Jun 21, 2018
    • M.E.C. Systems
    • David Hartfelder
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    SUMP SPRINKLER CONTROL SYSTEM

    • Publication number 20130200171
    • Publication date Aug 8, 2013
    • M.E.C. Systems
    • David Hartfelder
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    SUMP SPRINKLER CONTROL SYSTEM

    • Publication number 20120325923
    • Publication date Dec 27, 2012
    • David Hartfelder
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING