Granted Patent
Utility
US 6,427,692 · App. 09/356,036
Valve
Inventor:
Kasper Höglund
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Jul 16, 1999
Inventor
Kasper Höglund
Assignee (at issue)
Siemens Elema AB
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.