Granted Patent
Utility
US 6,787,494 · App. 10/046,081
Molded product of activated carbon and a method for production thereof
Inventors:
Masanori Tsuji, Masaaki Kameno, Keizo Furukawa
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Jan 16, 2002
Inventors
Masanori Tsuji
Masaaki Kameno
Keizo Furukawa
Assignee (at issue)
Japan Envirochemicals, 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.