Granted Patent
Utility
US 5,018,432 · App. 07/346,990
Hydrostatic steering device with a radially free floating valve member
Inventor:
Hollis N. White, Jr.
Patented Case
View Patent ↗
Granted: May 28, 1991
Filed: Jun 15, 1989
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.