Granted Patent
Utility
US 4,130,259 · App. 05/823,284
Helicopter collective lever
Inventors:
Floyd W. Carlson, Joseph Mashman
Patented Case
View Patent ↗
Granted: Dec 19, 1978
Filed: Aug 10, 1977
Inventors
Floyd W. Carlson
Joseph Mashman
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.