Granted Patent
Utility
US 6,734,293 · App. 09/399,003
Polymerase enhancing factor (PEF) extracts, PEF protein complexes, isolated PEF protein, and methods for purifying and identifying
Inventors:
Holly Hogrefe, Connie Hansen
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Sep 20, 1999
Inventors
Holly Hogrefe
Connie Hansen
Assignee (at issue)
STRATAGEN
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.