Patents by Inventor Wai-Lop Tong

Wai-Lop Tong 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).

  • Folding mechanism and land vehicle comprising same
    Patent number: 7651109
    Abstract: There is provided a foldable land vehicle comprising an elongate main frame generally defining a longitudinal axis running from a front end of the vehicle to a rear end of the vehicle, a front part including a front wheel, a rear part including a rear wheel, a first joint means for connecting the front part to the main frame and for folding the front part to a lateral side of the main frame, and a second joint means for connecting the rear part to said main frame and for folding the rear part to below the main frame.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: January 26, 2010
    Assignee: Dynacraft BSC LLC
    Inventor: Wai Lop Tong
  • Folding Mechanism And Land Vehicle Comprising Same
    Publication number: 20070290479
    Abstract: There is provided a foldable land vehicle comprising an elongate main frame generally defining a longitudinal axis running from a front end of the vehicle to a rear end of the vehicle, a front part including a front wheel, a rear part including a rear wheel, a first joint means for connecting the front part to the main frame and for folding the front part to a lateral side of the main frame, and a second joint means for connecting the rear part to said main frame and for folding the rear part to below the main frame.
    Type: Application
    Filed: June 15, 2006
    Publication date: December 20, 2007
    Applicant: DYNACRAFT BSC LLC
    Inventor: Wai Lop TONG
  • Skateboard carton
    Patent number: 5029702
    Abstract: A skateboard box is made from two blanks which fold, mutually capturing each other, and join to form a compound box. The boxes are generally trapezoidal in cross-section and nest when two boxes are inverted relative to each other. When nested, the wheels of one skateboard fit into a compartment in the box of the other skateboard, thereby making a compact shipping unit. A window in the box displays graphics on the skateboard.
    Type: Grant
    Filed: September 18, 1990
    Date of Patent: July 9, 1991
    Assignee: Dynacraft Industries, Inc.
    Inventor: Wai-Lop Tong