Granted Patent
Utility
US 5,293,843 · App. 07/987,721
Combustor or gasifier for application in pressurized systems
Inventors:
Steven J. Provol, David B. Russell
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Dec 9, 1992
Inventors
Steven J. Provol
David B. Russell
Assignee (at issue)
A. Ahlstrom Corporation
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.