Patents by Inventor Ho-Shun Hsieh

Ho-Shun Hsieh 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).

  • Rough boring tool having means to show microadjustable boring hole diameter machining quantity
    Patent number: 5961256
    Abstract: A rough boring tool is composed of a boring rod having a tool hole which is provided with a base line and a plurality of reading scales. The rough boring tool is further composed of a boring tool engaged with the tool hole and provided with a plurality of measuring scales corresponding in location to the reading scales and forming an angle with the base line. The advancement quantity of the boring tool can be easily observed with the naked eye by converging the reading scales of the tool hole of the boring rod and the measuring scales of the boring tool.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: October 5, 1999
    Inventor: Ho-Shun Hsieh