Granted Patent
Utility
US 6,446,438 · App. 09/605,765
Combustion chamber/venturi cooling for a low NOx emission combustor
Inventors:
Robert J. Kraft, Vincent C. Martling, Brian R. Mack, Mark A. Minnich
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Jun 28, 2000
Inventors
Robert J. Kraft
Vincent C. Martling
Brian R. Mack
Mark A. Minnich
Assignee (at issue)
Power Systems Mfg., 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.