Patents by Inventor William H. Sublett

William H. Sublett 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).

  • Self drilling screw
    Patent number: 5141376
    Abstract: A self drilling screw for thin metal applications. The screw has a small point for drilling a hole in the thin metal and a substantially larger diameter non-tapered threaded section. Between these portions is an extended length taper having a plurality of thread pitches each including swaging lobes.
    Type: Grant
    Filed: February 3, 1992
    Date of Patent: August 25, 1992
    Assignee: Emhart Inc.
    Inventors: John J. Williams, Frank Piacenti, William H. Sublett, Robert W. Brown, Jr.