Granted Patent
Utility
US 4,746,611 · App. 06/814,478
Process for recovering cellulases
Inventors:
Shizu Fujishima, Fumiko Yaku, Einosuke Muraki
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Dec 30, 1985
Inventors
Shizu Fujishima
Fumiko Yaku
Einosuke Muraki
Assignee (at issue)
The Agency of Industrial Science and Technology
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.