Patents by Inventor Joseph Ruetz

Joseph Ruetz 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).

  • Plastics material closure member for a container
    Patent number: 4008820
    Abstract: A plastic material closure member for a container, said closure member having a gripping portion and a substantially cylindrical sealing portion adjacent thereto, in which the sealing portion comprises a sealing wall and a centering member adjacent thereto, and in which the walls of the gripping portion, the centering member and the sealing wall are laterally deformable.
    Type: Grant
    Filed: December 10, 1975
    Date of Patent: February 22, 1977
    Inventor: Joseph Ruetz