Patents by Inventor George W. LaPierre

George W. LaPierre 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: 3974571
    Abstract: An improved sine bar for use in machine tooling operations which provides increased efficiency by an operator in work piece lay-out and machining. The device includes a sine bar pivotally coupled on the front face of block which is mountable on a plate, vise jaw, angle plate, or the like and an integral locking means for positioning and holding a work piece at a desired cutting or grinding angle.
    Type: Grant
    Filed: March 18, 1975
    Date of Patent: August 17, 1976
    Inventor: George W. LaPierre