Patents by Inventor Brad E. Pingel

Brad E. Pingel 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).

  • Door having hidden screw construction
    Patent number: 5230180
    Abstract: A door assembly having hidden screw construction includes a plurality of elongated brackets positioned around the side jambs and header of a door opening. The brackets each include elongated U-shaped channels extending along the length thereof. Screws are threaded through the bottom walls of the channels into the frame of the door so as to secure the brackets to the door. An elongated cover strip extends along the length of each channel and is detachably secured thereto in covering relation over the heads of the screws to hide the heads of the screws from view.
    Type: Grant
    Filed: April 3, 1992
    Date of Patent: July 27, 1993
    Assignee: Emco Enterprises, Inc.
    Inventors: Robert C. Tweedt, Brad E. Pingel