Granted Patent
Utility
US 5,697,398 · App. 08/673,333
Fluid pressure regulator with boost tube unit including stem guide and lever retainer
Inventors:
Larry Dean Gidney, Gregory L. Foust
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Jun 28, 1996
Inventors
Larry Dean Gidney
Gregory L. Foust
Assignee (at issue)
Fisher Controls International LLC
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.