Granted Patent
Utility
US 6,245,093 · App. 09/502,992
Method and apparatus for treatment of skin itch and disease
Inventors:
Huan-Chen Li, Xiaoguang Wang
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Feb 11, 2000
Inventors
Huan-Chen Li
Xiaoguang Wang
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.