Granted Patent
Utility
US 4,327,627 · App. 06/111,194
Load responsive fluid control valve
Inventor:
Tadeusz Budzich
Patented Case
View Patent ↗
Granted: May 4, 1982
Filed: Jan 11, 1980
Inventor
Tadeusz Budzich
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.