Granted Patent
Utility
US 6,551,191 · App. 09/934,009
Coupling apparatus
Inventors:
Klemens Fisch, Adrian Hof, Roger Suter
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Aug 21, 2001
Inventors
Klemens Fisch
Adrian Hof
Roger Suter
Assignee (at issue)
Man Turbomaschinen 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.