Patents by Inventor Shing-Lam Li

Shing-Lam Li 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).

  • Aerial toy with on-board signaling device
    Patent number: 4929212
    Abstract: A saucer-shaped aerial toy has an on-board signaling device actuated only during flight by the closing of a pair of centrifugally-actuated electrical switches. The on-board signalling device may generate sound and/or light which not only have recreational value, but also serve as early warning indicators that the aerial toy is in the vicinity.
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: May 29, 1990
    Assignee: Antibes, Inc.
    Inventor: Shing-Lam Li
  • Combined cap and radio
    Patent number: D321581
    Type: Grant
    Filed: August 7, 1989
    Date of Patent: November 19, 1991
    Assignee: Antibes, Inc.
    Inventor: Shing-Lam Li