Granted Patent
Utility
US 4,241,794 · App. 06/066,070
Angle dozer assembly
Inventor:
Francis J. Halterman, Jr.
Patented Case
View Patent ↗
Granted: Dec 30, 1980
Filed: Aug 13, 1979
Inventor
Francis J. Halterman, Jr.
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.