Granted Patent
Utility
US 5,263,443 · App. 08/004,735
Hydraulic phaseshifter
Inventors:
Michael M. Schechter, David Lee Boggs
Patented Case
View Patent ↗
Granted: Nov 23, 1993
Filed: Jan 14, 1993
Inventors
Michael M. Schechter
David Lee Boggs
Assignee (at issue)
Ford Motor Company
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.