Patents by Inventor Curtis Albert Sparkes

Curtis Albert Sparkes 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: D247618
    Type: Grant
    Filed: April 5, 1976
    Date of Patent: March 28, 1978
    Assignee: Lamondine S.A.
    Inventor: Curtis Albert Sparkes