Patents by Inventor Russell James Logan

Russell James Logan 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: 6279432
    Abstract: A hand tool comprising a first handle member with integral jaw, a second handle member, and a third jaw member, all three members pivotally connected by a single common pivot pin. All three members are also cooperatively connected by a force multiplying mechanism, wherein an operative force applied to the handles is multiplied and applied to a work piece by the jaws. One embodiment of the invention features a “U”-shaped handle with two common pivot pin connection points, providing structural strength and handling stability. Other embodiments also comprise power assist devices to provide electrical and pneumatic work piece manipulation forces.
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: August 28, 2001
    Assignee: Merritt Armstrong Osborn
    Inventors: Merritt Armstrong Osborn, Russell James Logan