Granted Patent
Utility
US 5,098,839 · App. 07/521,540
Type II restriction endonuclease obtainable from Pseudomonas alcaligenes and a process for producing the same
Inventor:
Carol Polisson
Patented Case
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Granted: Mar 24, 1992
Filed: May 10, 1990
Inventor
Carol Polisson
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.