Patents by Inventor Robert D. McKiernan, Jr.

Robert D. McKiernan, Jr. 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).

  • Tack with three prongs
    Patent number: 6126126
    Abstract: A tack having a generally rigid flat body with three prongs extending from one generally flat face and a hook extending from the other generally flat face.
    Type: Grant
    Filed: June 18, 1998
    Date of Patent: October 3, 2000
    Inventor: Robert D. McKiernan, Jr.