Patents by Inventor Mildred Kinghorn Romberger

Mildred Kinghorn Romberger 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).

  • Tennis ball
    Patent number: 6508732
    Abstract: The present invention is a tennis ball that includes an outer fabric cover that has a phosphorescent component.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: January 21, 2003
    Inventors: Mildred Kinghorn Romberger, Penny Rose Abrams