Patents by Inventor Wen P. Lee

Wen P. Lee 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 with wind escape aperture
    Patent number: 5115827
    Abstract: A two-tier umbrella has upper and lower series of radially extending ribs supporting upper and lower canopies, respectively. The inner ends of the upper ribs are pivotally connected to the pole and the inner ends of the lower ribs are pivotally connected to respective upper ribs at medial locations while stretchers are pivotally connected at respective opposite ends to a pole slider and to the lower ribs at medial locations thereof.The upper and lower ribs maintain upper, circular, and lower, annular canopies in dome-shape and spaced apart in imbricating condition with an annular wind escape aperture defined between the overlapping canopy portions.
    Type: Grant
    Filed: January 24, 1991
    Date of Patent: May 26, 1992
    Inventor: Wen P. Lee
  • Umbrella with a wind escape
    Patent number: 5078166
    Abstract: An umbrella having a wind escape opening is provided and consists of a collapsible frame structure supporting a two tiered canopies with the wind escape opening therebetween so that the umbrella can be handled better and steadier in the wind without the wind causing destruction to the embrella while at the same time protecting the user from the rain.
    Type: Grant
    Filed: July 25, 1990
    Date of Patent: January 7, 1992
    Inventor: Wen P. Lee