Granted Patent
Utility
US 4,369,016 · App. 06/106,417
Turbine intermediate case
Inventor:
William T. Dennison
Patented Case
View Patent ↗
Granted: Jan 18, 1983
Filed: Dec 21, 1979
Inventor
William T. Dennison
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.