Granted Patent
Utility
US 4,754,932 · App. 07/027,459
Coal pulverizer inerting and fire extinguishing system
Inventors:
Stanley E. Kmiotek, Mark Johnson, James D. Rogers
Patented Case
View Patent ↗
Granted: Jul 5, 1988
Filed: Mar 18, 1987
Inventors
Stanley E. Kmiotek
Mark Johnson
James D. Rogers
Assignee (at issue)
Combustion Engineering, Inc.
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.