Granted Patent
Utility
US 6,712,905 · App. 10/146,503
Doctor blade device
Inventors:
Janne Nurmi, Timo Sironen
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: May 14, 2002
Inventors
Janne Nurmi
Timo Sironen
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.