Granted Patent
Utility
US 5,762,841 · App. 08/604,623
Ceramic porous body having a continuous particle size distribution
Inventors:
Shunzo Shimai, Koichi Imura, Kenichi Okamoto, Koichi Shiraishi, Kuniko Ando
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Feb 21, 1996
Inventors
Shunzo Shimai
Koichi Imura
Kenichi Okamoto
Koichi Shiraishi
Kuniko Ando
Assignee (at issue)
Toshiba Ceramics Co., 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.