Granted Patent
Utility
US 6,763,731 · App. 10/349,849
Dynamic error correcting positive displacement piston flowmeter and method of measuring gas flow in a piston flowmeter
Inventor:
Harvey F. Padden
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Jan 22, 2003
Inventor
Harvey F. Padden
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.