Granted Patent
Utility
US 4,419,052 · App. 06/357,104
Turbine meter rotor
Inventor:
Johann Stamm
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Mar 11, 1982
Inventor
Johann Stamm
Assignee (at issue)
Rockwell International Corporation
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.