Granted Patent
Utility
US 5,401,237 · App. 07/905,245
Blood processing for treating blood disease
Inventors:
Shunro Tachibana, Ichiro Sogawa, Katsuro Tachibana
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Jun 26, 1992
Inventors
Shunro Tachibana
Ichiro Sogawa
Katsuro Tachibana
Assignee (at issue)
Shunro Tachibana
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.