Granted Patent
Utility
US 5,252,047 · App. 08/033,708
Gear pump with controlled clamping force
Inventor:
Theodore J. Joy
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Mar 16, 1993
Inventor
Theodore J. Joy
Assignee (at issue)
AlliedSignal, 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.