Granted Patent
Utility
US 4,555,487 · App. 06/551,852
Method for cultivation of Pseudomonas bacteria
Inventors:
Hideaki Yamada, Koitchiro Ryuno
Patented Case
View Patent ↗
Granted: Nov 26, 1985
Filed: Nov 15, 1983
Inventors
Hideaki Yamada
Koitchiro Ryuno
Assignees (at issue)
Nitto Kagaku Kogyo Kabushiki Kaisha
Hideaki Yamada
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.