Granted Patent
Utility
US 4,935,357 · App. 06/826,220
Universal restriction endonuclease
Inventor:
Waclaw Szybalski
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Feb 5, 1986
Inventor
Waclaw Szybalski
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.