Patents by Inventor Yang Wei Ou

Yang Wei Ou 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: 6244283
    Abstract: An umbrella comprising a shank, a handle, a rib, multiple tip beads, a canopy, and a ferrule is characterized by a series of connectors which are installed at least between the handle and the shank, between the tip beads and the rib, between the canopy and the rib, and between the ferrule and the shank. Users can change various shapes and colors of canopies, tip beads, handles, and ferrules to assemble new umbrellas through simple lock and insertion operation.
    Type: Grant
    Filed: July 20, 1999
    Date of Patent: June 12, 2001
    Inventor: Yang Wei Ou