Granted Patent
Utility
US 5,459,253 · App. 08/237,965
M-RNA purification
Inventors:
Christopher D. Wolin, Phillip P. Franciskovich
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: May 2, 1994
Inventors
Christopher D. Wolin
Phillip P. Franciskovich
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.