Granted Patent
Utility
US 4,603,752 · App. 06/680,941
Speed and direction control apparatus for a vehicle
Inventors:
Gary C. Chambers, Leonard V. Hychalk
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Dec 12, 1984
Inventors
Gary C. Chambers
Leonard V. Hychalk
Assignee (at issue)
Figgie Inernational 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.