Granted Patent
Utility
US 6,641,781 · App. 09/397,828
System for cleaning, disinfecting and/or drying endoscropes
Inventor:
Johannes Antonius Walta
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Sep 17, 1999
Inventor
Johannes Antonius Walta
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.