Granted Patent
Utility
US 6,231,820 · App. 09/331,382
UV disinfecting device advantageous for fluids flows
Inventor:
Horst Wedekamp
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Jul 8, 1999
Inventor
Horst Wedekamp
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.