Granted Patent
Utility
US 5,962,278 · App. 08/973,757
Cellulose-producing bacteria
Inventors:
Takayasu Tsuchida, Naoto Tonouchi, Akira Seto, Yukiko Kojima, Masanobu Matsuoka, Fumihiro Yoshinaga
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Feb 3, 1998
Inventors
Takayasu Tsuchida
Naoto Tonouchi
Akira Seto
Yukiko Kojima
Masanobu Matsuoka
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.