Granted Patent
Utility
US 5,941,503 · App. 09/089,966
Valve assembly
Inventors:
Shahriar Nick Niakan, Yuhung Edward Yeh
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Jun 3, 1998
Inventors
Shahriar Nick Niakan
Yuhung Edward Yeh
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.