Granted Patent
Utility
US 5,882,932 · App. 08/927,562
Continuous quick measurement of biochemical oxygen demand and apparatus
Inventors:
Kyung Shick Yoon, Yong-Seok Park, Hyung-Charn Kim, Yong Teak Yi, Yeal-Soon Hwang, Sung Yoon Kang, Ki Nom Chung, Jin Cheol Kim
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Sep 8, 1997
Inventors
Kyung Shick Yoon
Yong-Seok Park
Hyung-Charn Kim
Yong Teak Yi
Yeal-Soon Hwang
Sung Yoon Kang
Ki Nom Chung
Jin Cheol Kim
Assignee (at issue)
Yukong Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.