Granted Patent
Utility
US 6,739,117 · App. 10/081,602
Supporting disk for supporting a rotor
Inventor:
Roland Fietz
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Feb 21, 2002
Inventor
Roland Fietz
Assignee (at issue)
CARL FREUDENBERG 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.