Patents by Inventor Helen J. Dismuke

Helen J. Dismuke 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).

  • Elbow extension sleeve
    Patent number: D334429
    Type: Grant
    Filed: December 7, 1990
    Date of Patent: March 30, 1993
    Inventor: Helen J. Dismuke