Granted Patent
Utility
US 5,405,282 · App. 08/098,059
Hydrostatic nut and lead screw assembly, and method of forming said nut
Inventor:
William W. Pflager
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Jul 28, 1993
Inventor
William W. Pflager
Assignee (at issue)
Western Atlas, Inc.
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.