Patents by Inventor Donald Earl Durnil

Donald Earl Durnil 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).

  • Rebar tie wrench
    Publication number: 20090183464
    Abstract: The Rebar Tie Wrench provides a method to manually wrap rebar wire in a uniform manner, reduces stress to the hands, wrist and forearms of the installer. The period of time to manually wrap the rebar tie wire is reduced and worker fatigue is minimized.
    Type: Application
    Filed: January 23, 2008
    Publication date: July 23, 2009
    Inventors: Donald Earl Durnil, Elizabeth Ann Durnil