Granted Patent
Utility
US 4,927,749 · App. 06/849,819
Reagent for cell separation
Inventor:
Allan Dorn
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Apr 9, 1986
Inventor
Allan Dorn
Assignee (at issue)
Jeanette Simpson
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.