Patents by Inventor Mildred J. Ryan

Mildred J. Ryan 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).

  • Battery adapter device
    Patent number: 6531244
    Abstract: A battery adapter device for providing flexibility in the choice of batteries for powering electrical and electronic devices. The battery adapter device includes a container member having a size which is adapted to be generally equivalent to a larger conventional cell battery and being adapted to replace the larger cell battery in devices energized with larger cell batteries; and also includes a support assembly for supporting a conventional AA battery in the container member.
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: March 11, 2003
    Inventors: William R. Ryan, Jr., Mildred J. Ryan