Granted Patent
Utility
US 5,378,127 · App. 08/049,988
Manual displacement control for hydrostatic transmissions and method of precise symmetry adjustment therefore
Inventor:
William L. Welscher
Patented Case
View Patent ↗
Granted: Jan 3, 1995
Filed: Apr 16, 1993
Inventor
William L. Welscher
Assignee (at issue)
SAUER GmbH
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.