Granted Patent
Utility
US 5,577,572 · App. 08/182,769
Hydrostatic transmission center section
Inventor:
Alan Johnson
Patented Case
View Patent ↗
Granted: Nov 26, 1996
Filed: Jan 14, 1994
Inventor
Alan Johnson
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.