Granted Patent
Utility
US 6,722,903 · App. 10/158,779
Service plug configuration
Inventors:
Alan Mulvenna, John David Trevor Graham
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: May 29, 2002
Inventors
Alan Mulvenna
John David Trevor Graham
Assignee (at issue)
General Hydrogen Corp., Ltd.
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.