Patents by Inventor Stephen A. Chole

Stephen A. Chole 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).

  • Speculum for otoscope
    Patent number: D421123
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: February 22, 2000
    Assignee: Welch Allyn, Inc.
    Inventors: Andrew J. Kugler, Stephen A. Chole, John Andrew Lane