Granted Patent
Utility
US 6,572,820 · App. 09/117,691
Sterilization-protecting agent and sterilization method
Inventors:
Hirokazu Onodera, Junsuke Suemitsu
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Aug 4, 1998
Inventors
Hirokazu Onodera
Junsuke Suemitsu
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.