Granted Patent
Utility
US 4,239,456 · App. 06/037,658
Rotor blade out-of-plane centrifugal pendulums
Inventors:
Mukund M. Joglekar, Troy M. Gaffey, Willem Broekhuizen, William D. Neathery
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: May 10, 1979
Inventors
Mukund M. Joglekar
Troy M. Gaffey
Willem Broekhuizen
William D. Neathery
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.