Granted Patent
Utility
US 4,613,567 · App. 06/520,072
Immunoassay method for measuring immunological antigen in fluid sample
Inventors:
Seikichi Yasoshima, Mikio Koyama, Kenichiro Okaniwa
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Aug 3, 1983
Inventors
Seikichi Yasoshima
Mikio Koyama
Kenichiro Okaniwa
Assignee (at issue)
Konishiroku Photo Industry 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.