Granted Patent
Utility
US 4,496,282 · App. 06/375,701
Reversible two-stage hydraulic machine
Inventor:
Alexander Gokhman
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: May 6, 1982
Inventor
Alexander Gokhman
Assignee (at issue)
Allis-Chalmers Corporation
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.