Patents by Inventor Betty J. Charak

Betty J. Charak 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).

  • Clamp mechanism
    Patent number: 4839947
    Abstract: A clamp formed of a unitary piece of resilient material has a pair of opposed arms pivoted about an integral hinge member located between jaw and finger-grip portions of the arms. An integral biasing element joins the arms at the ends of the finger-grip portion, and is supported such that flex of the biasing element occurs at its central portion, displaced from the arms. The arms may be formed with an internal spine supporting an exterior wall defining the surfaces of the arms.
    Type: Grant
    Filed: July 14, 1988
    Date of Patent: June 20, 1989
    Inventors: Robert Cohen, Betty J. Charak