Patents by Inventor Gerald R. Calengor

Gerald R. Calengor 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: D260797
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: September 15, 1981
    Assignee: Surf-Jet Corporation
    Inventors: Gerald R. Calengor, Allan J. Fehn