Patents by Inventor Normand L'Ecuyer

Normand L'Ecuyer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20040148812
    Abstract: A rock and root puller connected to a three point hitch assembly and used for extracting rocks, stumps roots and other impediments at or below ground level having a fixed frame assembly and an articualted frame assembly both bivotally connected together and the articulated frame assembly moving along a vertical plane relative to the fixed frame assembly when actuated by a hydraulic piston; a set of braces bracing both ends of the piston and forming a piston frame assembly; a three point hitch brace securing the three point hitch assembly; a straight edge situated underneath the articulated frame assembly.
    Type: Application
    Filed: December 26, 2003
    Publication date: August 5, 2004
    Inventor: Normand L'Ecuyer