Granted Patent
Utility
US 4,987,074 · App. 07/134,001
Method for producing the HgiAI restriction endonuclease and methylase
Inventors:
Keith D. Lunnen, Geoffrey G. Wilson
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Dec 17, 1987
Inventors
Keith D. Lunnen
Geoffrey G. Wilson
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.