Granted Patent
Utility
US 6,300,384 · App. 09/825,646
Silicone rubber sponge composition
Inventors:
Katsuya Baba, Hiroshi Honma, Akito Nakamura
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Apr 4, 2001
Inventors
Katsuya Baba
Hiroshi Honma
Akito Nakamura
Assignee (at issue)
Dow Corning Toray Silicone Company, 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.