Granted Patent
Utility
US 5,728,541 · App. 08/679,056
Method for preparing cell cultures from biologial specimens for chemotherapeutic and other assays
Inventor:
Paul L. Kornblith
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Jul 12, 1996
Inventor
Paul L. Kornblith
Assignee (at issue)
Precision Therapeutics, 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.