Granted Patent
Utility
US 5,392,809 · App. 08/147,539
Hyper-reset pressure controller
Inventor:
Steve Buckner
Patented Case
View Patent ↗
Granted: Feb 28, 1995
Filed: Nov 5, 1993
Inventor
Steve Buckner
Assignee (at issue)
Acme Steel 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.