Granted Patent
Utility
US 6,562,747 · App. 09/741,498
Gas sensor electrolyte
Inventors:
Walter T. Symons, Kaius K. Polikarpus, Kerry Gross, Da Yu Wang, Paul Kikuchi
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Dec 19, 2000
Inventors
Walter T. Symons
Kaius K. Polikarpus
Kerry Gross
Da Yu Wang
Paul Kikuchi
Assignee (at issue)
Delphi Technologies
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.