Patents by Inventor Donald D. Cho

Donald D. Cho 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: 5687946
    Abstract: An umbrella coupler for the support of an umbrella having a shaft and a handle comprises an umbrella coupler assembly having a lower portion either integral with or capable of being connected to a supportive base to maintain an umbrella in an upright active position when engaged in the umbrella coupler assembly. Varying embodiments of the umbrella coupler assembly are provided with a preferred umbrella coupler assembly having a lower portion supporting a seat member, an upper portion, and a middle wall portion extending at least partially upwardly from the seat member and to the upper portion and further having an opening dimensioned to receive and support either a vertically orientated handle or a J-shaped umbrella handle.
    Type: Grant
    Filed: April 7, 1995
    Date of Patent: November 18, 1997
    Inventor: Donald D. Cho