Patents by Inventor Lee S. Chen

Lee S. Chen 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).

  • Motorcycle helmet wind visor adjustment device
    Patent number: 5005221
    Abstract: A wind visor for motorcycle helmets having two visor rings, with friction tracks on them, on each distal end of the wind visor which rotatably engage with a respective slip ring. The slip ring is in turn engaged with a flexible U-shaped bracket, which in turn is fixed by a bolt to the motorcycle helmet. A cover plate is fixable over each of the visor rings and the associated parts for aesthetic purposes.
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: April 9, 1991
    Inventor: Lee S. Chen