Patents by Inventor Patricia M. Ehsman

Patricia M. Ehsman 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).

  • Timekeeping display
    Patent number: 5257246
    Abstract: A timekeeping display of the type in which a set of hands rotate about an origin and sweep across a face to indicate the time in an analog fashion, wherein the face is divided into a plurality of part-faces each of which retains its spatial relationship to the origin, and which are separated from each other to divide the origin into that plurality of notional origins; and in use, the set of hands appear to rotate about each notional origin and each hand sweeps across each part-face in every revolution.
    Type: Grant
    Filed: March 6, 1992
    Date of Patent: October 26, 1993
    Inventor: Patricia M. Ehsman