Granted Patent
Utility
US 5,161,374 · App. 07/742,309
Hot gas engine with tubular radial flow regenerators
Inventor:
Gerhard Schiessl
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Aug 8, 1991
Inventor
Gerhard Schiessl
Assignee (at issue)
MAN Technologie AG
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.