Patents by Inventor Robert J. Kiernan

Robert J. Kiernan 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).

  • Patent number: 5441236
    Abstract: A hammer with claws and an adjustable pivot point comprising, of an elongated handle with a first gripping end for being held by a user, a second operational end for driving and removing nails, an exterior surface for being held by a user, a cylindrical interior surface extending axially through the length of the handle, and inserts with internal screw threads positioned on the interior surface adjacent the first and second ends. A head having a nail driving side with a flat surface and a nail removing side with a claw having a V-shaped slot positionable under the head of a nail to be removed and a cylindrical bore therebetween, the bore being positioned onto the exterior surface of the handle at the first end.
    Type: Grant
    Filed: March 10, 1994
    Date of Patent: August 15, 1995
    Inventor: Robert J. Kiernan