Granted Patent
Utility
US 4,543,786 · App. 06/513,548
Control system for hydrostatic transmission
Inventor:
Lucien B. Shuler
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: Jul 14, 1983
Inventor
Lucien B. Shuler
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.