Patents by Inventor Chengju Hsu

Chengju Hsu 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).

  • Hose nozzle
    Patent number: D799003
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: October 3, 2017
    Assignee: PROFESSIONAL TOOL PRODUCTS, LLC
    Inventors: Richard Glenn Wojan, Chengju Hsu
  • Hose nozzle
    Patent number: D799004
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: October 3, 2017
    Assignee: PROFESSIONAL TOOL PRODUCTS, LLC
    Inventors: Richard Glenn Wojan, Chengju Hsu
  • Hose nozzle
    Patent number: D799005
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: October 3, 2017
    Assignee: PROFESSIONAL TOOL PRODUCTS, LLC
    Inventors: Richard Glenn Wojan, Chengju Hsu
  • Hose nozzle
    Patent number: D799006
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: October 3, 2017
    Assignee: PROFESSIONAL TOOL PRODUCTS, LLC
    Inventors: Richard Glenn Wojan, Chengju Hsu