Granted Patent
Utility
US 6,150,652 · App. 09/261,532
Corona detector with narrow-band optical filter
Inventor:
Keith W. Forsyth
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Mar 3, 1999
Inventor
Keith W. Forsyth
Assignee (at issue)
Forsyth Electro-Optics
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.