Granted Patent
Utility
US 5,505,225 · App. 08/467,630
Valve assembly
Inventor:
Shahriar Nick Niakan
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Jun 6, 1995
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.