Granted Patent
Utility
US 4,843,013 · App. 07/163,330
Multiple control standard for blood analysis
Inventor:
Ching-Chun Chiang
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Mar 2, 1988
Inventor
Ching-Chun Chiang
Assignee (at issue)
Bionostics, Inc.
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.