Patents by Inventor Tsang-Heng Lin

Tsang-Heng Lin 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).

  • Handhold for a roller skate
    Patent number: 5509689
    Abstract: A roller skate is provided with a gripping apparatus comprising two buckles to which a holding strap is fastened in such a manner that the holding strap is attached in its entirety to the outer surface of the boot of the roller skate, and that the holding strap can be pulled out from a relaxed position to facilitate the carrying of the roller skate by hand.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: April 23, 1996
    Inventor: Tsang-Heng Lin