Granted Patent
Utility
US 6,632,359 · App. 09/831,311
Blood purifying apparatus
Inventors:
Satoshi Uezumi, Makoto Yoshida
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: May 8, 2001
Inventors
Satoshi Uezumi
Makoto Yoshida
Assignee (at issue)
ASAHI MEDICAL CO., LTD
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.