Granted Patent
Utility
US 5,281,094 · App. 07/949,295
Electromechanical apparatus for varying blade of variable-pitch fan blades
Inventors:
Frederick B. McCarty, Leroy Allen Fizer, Daniel E. Wilson, Kenneth L. Wuertz
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Sep 22, 1992
Inventors
Frederick B. McCarty
Leroy Allen Fizer
Daniel E. Wilson
Kenneth L. Wuertz
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.