Granted Patent
Utility
US 4,275,992 · App. 06/028,341
Mode controlled attachment of rotor mounted components
Inventors:
James R. Andrews, Rodney W. Balke, Victor L. Berry
Patented Case
View Patent ↗
Granted: Jun 30, 1981
Filed: Apr 9, 1979
Inventors
James R. Andrews
Rodney W. Balke
Victor L. Berry
Assignee (at issue)
Textron 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.