Patents by Inventor James M. Holthaus

James M. Holthaus 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).

  • Resealable container closure
    Patent number: 5121851
    Abstract: An improved easy open can end construction for resealable easy open beverage cans having a hinged and inwardly depressible opening panel defined by an involuted spiro-circular score line having an initial portion that at least partially encircles a pressure application zone, an intermediate portion that continually recedes therefrom and an end portion of circular configuration.
    Type: Grant
    Filed: October 29, 1990
    Date of Patent: June 16, 1992
    Assignee: Aluminum Company of America
    Inventors: Jay W. Lyon, Scott C. Biondich, James M. Holthaus, Frank E. Maier