Granted Patent
Utility
US 6,742,773 · App. 10/039,345
Steam pressure reducing and conditioning valve
Inventor:
Hiroyuki Higuchi
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Jan 4, 2002
Inventor
Hiroyuki Higuchi
Assignee (at issue)
Dresser, LLC
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.