Granted Patent
Utility
US 5,614,391 · App. 08/487,108
m-RNA purification
Inventors:
Phillip P. Franciskovich, Christopher D. Wolin
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Jun 7, 1995
Inventors
Phillip P. Franciskovich
Christopher D. Wolin
Assignee (at issue)
Pharmacia P.L. Biochemicals, 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.