Granted Patent
Utility
US 6,432,653 · App. 08/291,335
Device and process for cell capture and recovery
Inventor:
Thomas B. Okarma
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Aug 17, 1994
Inventor
Thomas B. Okarma
Assignee (at issue)
Aventis Pharmaceuticals 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.