Granted Patent
Utility
US 4,923,008 · App. 07/359,968
Hydraulic power system and method
Inventors:
Stanley W. Wachowicz, R. James Downie
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Jun 1, 1989
Inventors
Stanley W. Wachowicz
R. James Downie
Assignee (at issue)
Baroid Technology, 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.