Granted Patent
Utility
US 6,353,272 · App. 09/451,519
Rotor shaft for a rotary machine and rotary machine provided with a rotor shaft of this kind
Inventor:
Pieter van der Hoeven
Patented Case
View Patent ↗
Granted: Mar 5, 2002
Filed: Nov 30, 1999
Inventor
Pieter van der Hoeven
Assignee (at issue)
Delaval Stork V.O.F.
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.