Patents by Inventor Robert Seebohm

Robert Seebohm 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: 4526821
    Abstract: A rigid container is made by injection molding a parison having plural layers of polymers. The parison is blow molded to the final shape of the container. Control during injection is exercised over each of the plural polymers so as to produce uninterrupted layers extending throughout the walls of the parison and to insure that the interior layers are completely encapsulated within the outer layers.
    Type: Grant
    Filed: July 20, 1979
    Date of Patent: July 2, 1985
    Assignee: American Can Company
    Inventors: Robert J. McHenry, Robert Seebohm