Granted Patent
Utility
US 4,945,250 · App. 07/378,649
Optical read head for immunoassay instrument
Inventors:
Mark S. Bowen, Stephen D. Fantone, Bruce E. Miller
Patented Case
View Patent ↗
Granted: Jul 31, 1990
Filed: Jul 12, 1989
Inventors
Mark S. Bowen
Stephen D. Fantone
Bruce E. Miller
Assignee (at issue)
PB Diagnostic Systems, 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.