Granted Patent
Utility
US 5,498,135 · App. 08/373,051
Actuator for a variable pitch propeller
Inventor:
Clinton W. Stallard, III
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Jan 17, 1995
Inventor
Clinton W. Stallard, III
Assignee (at issue)
Newport News Shipbuilding and Dry Dock Company
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.