Patents by Inventor Bo-Quan Cai

Bo-Quan Cai 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).

  • Adjustable armrest assembly for chair
    Patent number: 6957866
    Abstract: An adjustable armrest assembly for a chair includes an arm support having an end formed with a connecting body, a slide slidably mounted and detachably locked on the connecting body of the arm support, and an armrest secured to the slide. Thus, the position of the armrest is adjustable to fit users of different statures, so that the user's hands are placed on the armrest in a comfortable manner. In addition, the position of the armrest is adjusted easily and conveniently, thereby facilitating the user adjusting the position of the armrest.
    Type: Grant
    Filed: August 30, 2004
    Date of Patent: October 25, 2005
    Inventor: Bo-Quan Cai
  • Chair armrest
    Patent number: D535505
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: January 23, 2007
    Inventor: Bo-Quan Cai
  • Chair armrest supporter
    Patent number: D537280
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: February 27, 2007
    Inventor: Bo-Quan Cai