Granted Patent
Utility
US 5,759,839 · App. 08/687,623
Cloned SstI/SacI restriction-modification system
Inventors:
Mary Longo, Michael D. Smith, Raymond D. Harris
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Jul 3, 1996
Inventors
Mary Longo
Michael D. Smith
Raymond D. Harris
Assignee (at issue)
LIFE TECHNOLOGIES CORPORATION
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.