Granted Patent
Utility
US 5,081,844 · App. 07/487,112
Combustion chamber of a gas turbine
Inventors:
Jakob Keller, Thomas Sattelmayer
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Mar 2, 1990
Inventors
Jakob Keller
Thomas Sattelmayer
Assignee (at issue)
Asea Brown Boveri, S.A.
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.