Granted Patent
Utility
US 5,402,820 · App. 08/103,071
Stabilizer for pressure regulator
Inventors:
John W. Duffy, Steven D. Kehoe, Gary L. Scott, William J. Bonzer
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Aug 6, 1993
Inventors
John W. Duffy
Steven D. Kehoe
Gary L. Scott
William J. Bonzer
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.