Granted Patent
Utility
US 6,401,543 · App. 09/546,856
Pressure measurement instrument with integrated valve system
Inventors:
Stephen A. Raccio, John W. Henson
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Apr 10, 2000
Inventors
Stephen A. Raccio
John W. Henson
Assignee (at issue)
Dresser, LLC
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.