IP Library › Granted Patent US 5,364,231
Granted Patent Utility
US 5,364,231 · App. 07/994,741

Full authority propeller pitch control

Inventors: Christopher D. Eick, Paul J. Powers, John R. Williamson
Patented Case View Patent ↗
Granted: Nov 15, 1994 Filed: Dec 22, 1992
Inventors
Christopher D. Eick
Paul J. Powers
John R. Williamson
Assignee (at issue)
AlliedSignal, 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.

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Quick Facts
Patent No.
US 5,364,231
App. No.
07/994,741
Filed
1992-12-22
Granted
1994-11-15
Kind
A