Patents by Inventor Alfred D. Sterges

Alfred D. Sterges 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: D244348
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: May 17, 1977
    Assignee: Purex Corporation Ltd.
    Inventor: Alfred D. Sterges