Granted Patent
Utility
US 6,263,657 · App. 09/517,482
Supporting plate for the support of a rotor
Inventor:
Roland Fietz
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Mar 2, 2000
Inventor
Roland Fietz
Assignee (at issue)
Firma Carl Frudenberg
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.