Granted Patent
Utility
US 4,741,622 · App. 06/835,526
Method and apparatus for detecting diversion
Inventors:
Kyoichi Suwa, Masaichi Murakami
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: Mar 3, 1986
Inventors
Kyoichi Suwa
Masaichi Murakami
Assignee (at issue)
Nippon Kogaku K.K.
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.