Patents by Inventor Caesar Shih

Caesar Shih 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).

  • Structure of driving lever for car jack
    Publication number: 20070284561
    Abstract: A driving lever includes an elongated lever body, a coupling tip at one end of the lever body for securing a socket for turning screws and bolts, a grip at the other end of the lever body, and an extension rod, which has a peripheral locating pin for securing the extension rod to the driving head of a car jack for enabling the driving lever to lift the car jack and a retaining hole in the distal end for securing the extension rod to the rotary lock bolt of the same car jack to lock the hydraulic system of the car jack.
    Type: Application
    Filed: June 13, 2006
    Publication date: December 13, 2007
    Inventors: Ting-Hsien Wang, Caesar Shih
  • Driving lever for car jack
    Patent number: D593723
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: June 2, 2009
    Assignee: Test Rite Products Corp.
    Inventors: Ting-Hsien Wang, Caesar Shih