Patents by Inventor Edward L. Mullin

Edward L. Mullin 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).

  • Building construction
    Patent number: 4586300
    Abstract: Apparatus for connecting together two structural elements of a building framework which includes a slot portion attached to one of the structural elements at a location where the two elements are to be connected together and a wedge portion attached to the other structural element. The wedge portion is moved within the slot portion until the slot and wedge portions securely engage each other and join the two structural elements together. A building constructed of elements joined together solely by means of the slot and wedge portions is also disclosed.
    Type: Grant
    Filed: October 28, 1983
    Date of Patent: May 6, 1986
    Inventor: Edward L. Mullin