Granted Patent
Utility
US 5,477,613 · App. 08/213,306
Method of simultaneously forming rocket thrust chamber cooling tubes
Inventors:
Daniel A. Bales, James Joyce
Patented Case
View Patent ↗
Granted: Dec 26, 1995
Filed: Mar 14, 1994
Inventors
Daniel A. Bales
James Joyce
Assignee (at issue)
UNITED TECHNOLOGIES CORPORATION
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.