Patents by Inventor Duk Goo LEE

Duk Goo LEE 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).

  • Portable prism receiver and improved portable GPS receiver and measurement method using same
    Patent number: 10514464
    Abstract: Provided is an improved portable prism receiver and an improved portable GPS receiver and a measurement method using the same to rapidly measure accurate locations in building construction and civil construction sites. The receiver has a simple structure and volume, thereby enabling convenient transportation and storage, and enables an unskilled worker to conduct mechanically accurate measurements in a construction site, thereby improving quality and economic efficiency.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: December 24, 2019
    Assignees: THE-CONS ENG CO., LTD.
    Inventor: Duk Goo Lee
  • IMPROVED PORTABLE PRISM RECEIVER AND IMPROVED PORTABLE GPS RECEIVER AND MEASUREMENT METHOD USING SAME
    Publication number: 20180031710
    Abstract: Provided is an improved portable prism receiver and an improved portable GPS receiver and a measurement method using the same to rapidly measure accurate locations in building construction and civil construction sites. The receiver has a simple structure and volume, thereby enabling convenient transportation and storage, and enables an unskilled worker to conduct mechanically accurate measurements in a construction site, thereby improving quality and economic efficiency.
    Type: Application
    Filed: February 24, 2016
    Publication date: February 1, 2018
    Inventor: Duk Goo LEE