Granted Patent
Utility
US 5,250,443 · App. 07/835,016
Biological diagnostic assay system
Inventors:
Edward P. Lindholm, Ernest J. Yamartino, Jr.
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Feb 12, 1992
Inventors
Edward P. Lindholm
Ernest J. Yamartino, Jr.
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.