Granted Patent
Utility
US 6,138,450 · App. 09/076,031
Rocket engine with integral combustion chamber step structure and its fabrication
Inventors:
Kurt B. Kreiner, David Bronson
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: May 11, 1998
Inventors
Kurt B. Kreiner
David Bronson
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.