Patents by Inventor Dennis MacFarland

Dennis MacFarland 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: 20110011138
    Abstract: A system and method for locking a sliding door comprising an outside door handle connected to a handle shaft, which in turn operates a security bar mounted on the inside of the sliding door. The door handle is capable of being locked and unlocked from both the inside and the outside of the sliding door.
    Type: Application
    Filed: July 1, 2010
    Publication date: January 20, 2011
    Inventors: Dennis MacFarland, Clifton E. Hennebury