Granted Patent
Utility
US 4,640,153 · App. 06/559,646
Accessory drive for a turbine engine
Inventors:
James William Brogdon, Kenneth D. Allen, John S. Barton, Raymond John Hicks
Patented Case
View Patent ↗
Granted: Feb 3, 1987
Filed: Dec 9, 1983
Inventors
James William Brogdon
Kenneth D. Allen
John S. Barton
Raymond John Hicks
Assignee (at issue)
Teledyne Industries, Inc.
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.