Granted Patent
Utility
US 5,596,149 · App. 08/547,007
Pressure measurement tap for a pressurized fluidized bed
Inventor:
Douglas J. DeVault
Patented Case
View Patent ↗
Granted: Jan 21, 1997
Filed: Oct 23, 1995
Inventor
Douglas J. DeVault
Assignee (at issue)
The Babcock & Wilcox Company
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.