Patents by Inventor Jan-Long Han

Jan-Long Han 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).

  • Retractable upright pole for a camping tent
    Publication number: 20020117196
    Abstract: A retractable upright pole for a tent has multiple tubes receivable in one another and each tube having a ball-spring combination and multiple bores defined to correspond to the ball-spring combination of another tube to secure the connection between two adjacent tubes. The upright pole further has a chain-spring combination inside the tube to be in combination with the ball-spring combination to secure the connection between two adjacent tubes.
    Type: Application
    Filed: February 26, 2001
    Publication date: August 29, 2002
    Inventor: Jan-Long Han
  • Tent
    Patent number: D470560
    Type: Grant
    Filed: July 19, 2002
    Date of Patent: February 18, 2003
    Inventor: Jan-Long Han