Granted Patent
Utility
US 4,194,363 · App. 06/013,493
Fluid horsepower control system
Inventor:
John E. Young
Patented Case
View Patent ↗
Granted: Mar 25, 1980
Filed: Feb 21, 1979
Inventor
John E. Young
Assignee (at issue)
Federal Signal 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.