Patents by Inventor Joseph Sereika

Joseph Sereika 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).

  • Case for calculating machine
    Patent number: D257513
    Type: Grant
    Filed: May 24, 1978
    Date of Patent: November 11, 1980
    Assignee: Litton Business Systems, Inc.
    Inventors: Joseph Sereika, Myron Beitler