Granted Patent
Utility
US 5,333,574 · App. 07/972,358
Compact boiler having low NOX emissions
Inventors:
Robert T. Brady, Joseph H. Werling
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Nov 5, 1992
Inventors
Robert T. Brady
Joseph H. Werling
Assignee (at issue)
Mark IV Transportation Products Corp.
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.