Granted Patent
Utility
US 5,478,753 · App. 08/084,014
Positive calibrator/control composition for an IgM serology assay and an IgM serology assay
Inventors:
T. Philip Wong, Russell A. Hammond
Patented Case
View Patent ↗
Granted: Dec 26, 1995
Filed: Jun 29, 1993
Inventors
T. Philip Wong
Russell A. Hammond
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.