Granted Patent
Utility
US 5,298,404 · App. 07/421,272
Method for producing the Hpa I restriction endonuclease and methylase
Inventors:
Jack Benner, Phyllis A. Rees
Patented Case
View Patent ↗
Granted: Mar 29, 1994
Filed: Oct 13, 1989
Inventors
Jack Benner
Phyllis A. Rees
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.