TREA

Michael Cardwell

Follow

Person

  • Merrillville, IN, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic retractable hatch guard
    • Patent number 8,555,555
    • Issue date Oct 15, 2013
    • Michael Cardwell
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hatch cover manager
    • Patent number 7,638,962
    • Issue date Dec 29, 2009
    • Michael Cardwell
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    Automatic Retractable Hatch Guard
    • Publication number 20110232201
    • Publication date Sep 29, 2011
    • Michael Cardwell
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Hatch Cover Manager
    • Publication number 20070241709
    • Publication date Oct 18, 2007
    • Michael Cardwell
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES