Patents by Inventor Ping-Yao Su

Ping-Yao Su 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).

  • Patent number: 5286546
    Abstract: An improved note pad device is disclosed comprised of a plurality of sheets arranged in overlying and coextensive relation, wherein each of the sheets has a top, bottom and side edges, a means for removably binding said sheets at the top edges to form a bound pad, and a position means for identifying the position of the bottom edge of each of the sheets to facilitate successive removal of each of the sheets from the bound pad. In a preferred embodiment of the invention the position means comprises a diagonal edge cut in each of the sheets on the intersection of at least one of the side edges and bottom edge. Alternatively, the position means may comprise diagonal edge cuts at opposing sides of the note pad located at the intersection of each of the side edges and bottom edge. In another embodiment the position means comprises a backing sheet which underlies and is bound to the plurality of sheets.
    Type: Grant
    Filed: July 24, 1992
    Date of Patent: February 15, 1994
    Inventor: Ping-Yao Su