Granted Patent
Utility
US 5,533,544 · App. 08/456,243
Supply biased pneumatic pressure relay
Inventors:
Stanley R. Good, Barry L. Gaarder
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: May 31, 1995
Inventors
Stanley R. Good
Barry L. Gaarder
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.