Granted Patent
Utility
US 6,565,757 · App. 09/806,546
UV radiation device, especially for disinfecting liquids with reduced UV transmission
Inventor:
Horst Wedkamp
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Mar 30, 2001
Inventor
Horst Wedkamp
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.