Granted Patent
Utility
US 4,381,827 · App. 06/195,191
Steering mechanism for articulated vehicles
Inventors:
Donald F. Blackmore, Rudolph Halmosi
Patented Case
View Patent ↗
Granted: May 3, 1983
Filed: Oct 8, 1980
Inventors
Donald F. Blackmore
Rudolph Halmosi
Assignee (at issue)
General Motors LLC
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.