Patents by Inventor Han Tseng

Han Tseng 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).

  • Knife with trigger actuator for retractable blade
    Publication number: 20070074402
    Abstract: A knife has a blade that can be contained within a housing when not in use and extended outside the housing when used. Additional blades can be stored within the housing, and when desired, loaded onto a blade seat. A trigger actuator moves a blade seat carrying a blade between extended and retracted positions. The blade seat may be locked into a number of different positions.
    Type: Application
    Filed: August 28, 2006
    Publication date: April 5, 2007
    Inventors: Hector Hernandez, Jaime Nash, Han Tseng