Granted Patent
Utility
US 6,140,105 · App. 09/359,812
Cellulose-producing bacteria
Inventors:
Kunihiko Watanabe, Hiroshi Takemura, Mari Tabuchi, Naoki Tahara, Hiroshi Toyosaki, Yasushi Morinaga, Takayasu Tsuchida, Hisato Yano, Fumihiro Yoshinaga
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Jul 23, 1999
Inventors
Kunihiko Watanabe
Hiroshi Takemura
Mari Tabuchi
Naoki Tahara
Hiroshi Toyosaki
Yasushi Morinaga
Takayasu Tsuchida
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.