Granted Patent
Utility
US 4,688,443 · App. 06/858,047
Control device with two coupled control sticks
Inventors:
Pierre Fabre, Didier Negre
Patented Case
View Patent ↗
Granted: Aug 25, 1987
Filed: May 1, 1986
Inventors
Pierre Fabre
Didier Negre
Assignee (at issue)
Aerospatiale Societe Nationale Industrielle
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.