Patents by Inventor Kenneth J. Petrus

Kenneth J. Petrus 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: D279298
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: June 18, 1985
    Assignee: McGraw-Edison Company
    Inventor: Kenneth J. Petrus