Granted Patent
Utility
US 6,500,312 · App. 09/474,840
Device and method for UV-irradiation, especially for disinfecting, flowing liquids with reduced UV-transmission
Inventor:
Horst Wedekamp
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Dec 30, 1999
Inventor
Horst Wedekamp
Assignee (at issue)
Wedeco AG
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.