Granted Patent
Utility
US 5,306,413 · App. 08/037,421
Assay apparatus and assay method
Inventors:
Ryuzo Hayashi, Yukie Inoue, Akio Kariyone
Patented Case
View Patent ↗
Granted: Apr 26, 1994
Filed: Mar 26, 1993
Inventors
Ryuzo Hayashi
Yukie Inoue
Akio Kariyone
Assignee (at issue)
Kanzaki Paper Manufacturing 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.