Granted Patent
Utility
US 4,248,330 · App. 05/798,054
Control system to apply vehicle brakes during a transmission directional shift
Inventors:
Sidney J. Audiffred, David S. Ohaver
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: May 18, 1977
Inventors
Sidney J. Audiffred
David S. Ohaver
Assignee (at issue)
Caterpillar Tractor Co.
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.