Granted Patent
Utility
US 4,936,402 · App. 07/279,939
Hydrostatic steering device including a gerotor set
Inventor:
Hollis N. White, Jr.
Patented Case
View Patent ↗
Granted: Jun 26, 1990
Filed: Dec 5, 1988
Inventor
Hollis N. White, Jr.
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.