Granted Patent
Utility
US 6,030,839 · App. 09/036,686
Method for determining sodium concentration in alcohol
Inventors:
Shinpei Yamamoto, Satoru Nakai, Toshio Yatabe
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Mar 9, 1998
Inventors
Shinpei Yamamoto
Satoru Nakai
Toshio Yatabe
Assignee (at issue)
Japan Nuclear Cycle Development Institute
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.