Granted Patent
Utility
US 6,488,047 · App. 09/894,491
Excess flow valve
Inventors:
Donald S. Glover, James Scanlon, Mark M. Koeroghlian
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Jun 28, 2001
Inventors
Donald S. Glover
James Scanlon
Mark M. Koeroghlian
Assignee (at issue)
BRASSCRAFT MANUFACTURING COMPANY
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.