Granted Patent
Utility
US 5,728,942 · App. 08/563,982
Fluid pressure measuring system for control valves
Inventor:
Henry W. Boger
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Nov 28, 1995
Inventor
Henry W. Boger
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.