Granted Patent
Utility
US 6,135,838 · App. 09/167,587
Method of making UV lamp for air cleaning
Inventor:
Wei Wang
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Oct 7, 1998
Inventor
Wei Wang
Assignees (at issue)
CHUNG-SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY
Taiwan Fluorescent Lamp 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.