Granted Patent
Utility
US 5,229,283 · App. 07/880,009
Use of exo-sample nucleotides in gene cloning
Inventor:
Mark Berninger
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: May 8, 1992
Inventor
Mark Berninger
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.