Patents by Inventor Edward L. Jernigan

Edward L. Jernigan 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: 4637856
    Abstract: An apparatus and process for etching fluoroplastics is disclosed. A fluoroplastic film, sheet or tape is passed under an etchant distribution means comprised of an annularly shaped and hollow main body having a series of openings therethrough. Attached to the main body are a series of annularly shaped hollow extension legs in parallel alignment with one another and in communication with said openings in the main body. Etchant is fed into the main body and by action of gravity flows into and through the hollow channels of the extension legs, exiting at the base of the extension legs, and being distributed evenly onto the side of the fluoroplastic passing under the etching distribution means. The etching distribution means also includes first and second sponge means attached to the main body on opposite sides thereof.
    Type: Grant
    Filed: December 12, 1985
    Date of Patent: January 20, 1987
    Assignee: Dixon Industries Corporation
    Inventors: Frank Lombardo, Edward L. Jernigan, Paul Furze