Granted Patent
Utility
US 6,056,009 · App. 08/462,331
Fluid pressure regulator
Inventors:
Alvin Powell, James Witherspoon Mitchell, Jr., Robert Eugene Wattleworth
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: Jun 5, 1995
Inventors
Alvin Powell
James Witherspoon Mitchell, Jr.
Robert Eugene Wattleworth
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.