Granted Patent
Utility
US 6,817,879 · App. 10/306,862
Service port configurations
Inventors:
Alan Mulvenna, David Michael Routtenberg, John David Trevor Graham, William Mufford
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Nov 25, 2002
Inventors
Alan Mulvenna
David Michael Routtenberg
John David Trevor Graham
William Mufford
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.