Granted Patent
Utility
US 5,459,322 · App. 08/166,403
Ultraviolet light chamber
Inventor:
Kenneth Warkentin
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Dec 14, 1993
Inventor
Kenneth Warkentin
Assignee (at issue)
THERAKOS, INC.
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.