Granted Patent
Utility
US 4,355,949 · App. 06/149,352
Control system and nozzle for impulse turbines
Inventor:
John M. Bailey
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Feb 4, 1980
Inventor
John M. Bailey
Assignee (at issue)
Caterpillar Tractor Co.
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.