Patents by Inventor Yung-Lang Tsai

Yung-Lang Tsai 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).

  • Patent number: 4899721
    Abstract: A charcoal stove casing set including a presspaper casing provided with a solid alcohol trough and a match stick fire striking assembly, the casing having an inner space for receiving a mixture of charcoal chips, wood flour and black earth formed with a plurality of vent holes communicating with a bottom groove disposed to receive the alcohol trough, the vent holes and bottom groove providing air circulation for supporting combustion.
    Type: Grant
    Filed: March 30, 1989
    Date of Patent: February 13, 1990
    Inventor: Yung-Lang Tsay
  • Patent number: 4826557
    Abstract: The present disclosure is related to an improved tape dispenser having a gun-shaped housing and operated by a trigger in operative association with a number of interconnected links so that a cutting blade disposed at the gun point can be actuated to laterally move for cutting off the rolled tape and smoothly dispensing the same simultaneously.
    Type: Grant
    Filed: February 18, 1988
    Date of Patent: May 2, 1989
    Assignee: Yung-Lang Tsai
    Inventors: Daivey Fu, Yung-Lang Tsai