Granted Patent
Utility
US 5,328,852 · App. 07/962,461
Analytical assay
Inventors:
John J. Blackwood, Shai Inbar
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Oct 16, 1992
Inventors
John J. Blackwood
Shai Inbar
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.