Patents by Inventor Ronald J. Lynch

Ronald J. Lynch 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).

  • Non-slip miter butt joint
    Patent number: 4739600
    Abstract: In a window frame assembly having hollow frame members, a joint interconnecting the ends of two adjacent frame members is described. The joint includes a rabbeted miter cut and an anti rack and twist component. These features act synergistically to align and firmly joint adjacent frame members.
    Type: Grant
    Filed: March 19, 1987
    Date of Patent: April 26, 1988
    Assignee: Chelsea Industries, Inc.
    Inventors: Ronald J. Lynch, Robert Yee