Patents by Inventor Wei C. Ko

Wei C. Ko 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: 5008867
    Abstract: An ornamental clock with decorative time indicator, wherein the hour, minute and second indicator rotating shafts are elongated and can steadily rotate without swinging, characterized in that the elongated rotating shafts can accurately and co-axially and point-to-point rotatably contact with one another so that friction therebetween can be reduced to a minimum and they can be steadily driven by their corresponding indicator connectors without swinging movement, the second indicator being of global shape and the minute and hour indicator being two transparent or perforated spheres whereby when they relatively rotate at different speeds, the time is accurately indicated and excellent decorative effect is created.
    Type: Grant
    Filed: July 23, 1990
    Date of Patent: April 16, 1991
    Inventor: Wei C. Ko