Granted Patent
Utility
US 6,627,419 · App. 09/435,613
Modified bacterial cellulose
Inventors:
Masaru Ishihara, Shigeru Yamanaka
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Nov 8, 1999
Inventors
Masaru Ishihara
Shigeru Yamanaka
Assignee (at issue)
AJINOMOTO CO., INC.
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.