Granted Patent
Utility
US 5,869,855 · App. 08/815,920
Charge-coupled device with photo chromic layer
Inventors:
Jee Sung Yoon, Hyeong Ik Yun
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Mar 13, 1997
Inventors
Jee Sung Yoon
Hyeong Ik Yun
Assignee (at issue)
LG Semicon Co., Ltd.
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.