Granted Patent
Utility
US 4,757,021 · App. 06/795,144
Recombinant plasmid and microbial strain transformed by said plasmid
Inventors:
Haruhide Kawabe, Kazumoto Hirabayashi, Hazime Horii, Hirofumi Arimura, Masayuki Nishida, Tadakazu Suyama
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: Nov 5, 1985
Inventors
Haruhide Kawabe
Kazumoto Hirabayashi
Hazime Horii
Hirofumi Arimura
Masayuki Nishida
Tadakazu Suyama
Assignee (at issue)
Green Cross Corporation
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.