Granted Patent
Utility
US 5,730,171 · App. 08/786,946
Valve assembly
Inventor:
Shahriar Nick Niakan
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Jan 23, 1997
Inventor
Shahriar Nick Niakan
Assignee (at issue)
Emhart Inc.
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.