Granted Patent
Utility
US 5,180,673 · App. 07/323,114
Cloning restriction and modification genes
Inventors:
Geoffrey G. Wilson, Donald O. Nwankwo
Patented Case
View Patent ↗
Granted: Jan 19, 1993
Filed: Mar 13, 1989
Inventors
Geoffrey G. Wilson
Donald O. Nwankwo
Assignee (at issue)
New England Biolabs, 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.