Granted Patent
Utility
US 6,719,692 · App. 10/004,274
Rotating surgical tool
Inventors:
Bernhard Kleffner, Micheal Mayer, Charles Wing
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Oct 23, 2001
Inventors
Bernhard Kleffner
Micheal Mayer
Charles Wing
Assignee (at issue)
Aesculap AG & Co. KG
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.