Patents by Inventor Shen Ho Wang

Shen Ho Wang 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).

  • Umbrella structure for controlling an automatic opening
    Patent number: 5758677
    Abstract: The present invention relates to an improved umbrella including a spring received in a shaft of the umbrella and a controlling piece mounted on the shaft for engaging with a runner in closing state. By use of a slidable piece provided within the shaft and a connecting wire, it is capable of being automatic opened. Because of the spring is received in the shaft and prevented from being rusted or damaged, the invented structure of the umbrella is useful and has improvements.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: June 2, 1998
    Inventor: Shen Ho Wang