Granted Patent
Utility
US 6,399,236 · App. 09/504,866
Gas diffusion electrode assemblies and processes for producing the same
Inventor:
Nagakazu Furuya
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Feb 16, 2000
Inventor
Nagakazu Furuya
Assignees (at issue)
Nagakazu Furuya
TOAGOSEI CO., LTD.
MITSUI CHEMICALS, INC.
KANEKA CORPORATION
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.