Granted Patent
Utility
US 6,017,740 · App. 08/836,986
Process for the production of bacterial cellulose
Inventors:
Tohru Kouda, Takaaki Naritomi, Hisato Yano, Fumihiro Yoshinaga
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Aug 7, 1997
Inventors
Tohru Kouda
Takaaki Naritomi
Hisato Yano
Fumihiro Yoshinaga
Assignee (at issue)
Bio-Polymer Research 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.