Granted Patent
Utility
US 6,153,413 · App. 09/011,478
Method for processing bacterial cellulose
Inventors:
Kunihiko Watanabe, Akira Shibata, Hiroshi Ougiya, Nobuya Hioki, Yasushi Morinaga
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: May 27, 1998
Inventors
Kunihiko Watanabe
Akira Shibata
Hiroshi Ougiya
Nobuya Hioki
Yasushi Morinaga
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.