Granted Patent
Utility
US 6,183,897 · App. 09/153,959
Via filled interconnect for solid oxide fuel cells
Inventors:
Joseph J. Hartvigsen, Ashok C. Khandkar, Singaravelu Elangovan
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Sep 16, 1998
Inventors
Joseph J. Hartvigsen
Ashok C. Khandkar
Singaravelu Elangovan
Assignee (at issue)
Sofco
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.