Granted Patent
Utility
US 4,858,714 · App. 07/170,675
Hydrostatic steering device
Inventor:
Hollis N. White, Jr.
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Mar 17, 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.