Granted Patent
Utility
US 6,722,628 · App. 10/361,135
Miniature poppet valve assembly
Inventor:
Michael G. Seil
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Feb 6, 2003
Inventor
Michael G. Seil
Assignee (at issue)
Sturman Industries, 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.