Granted Patent
Utility
US 5,082,784 · App. 07/496,283
Cloned KpnI restriction-modification system
Inventors:
Deb K. Chatterjee, Alan W. Hammond
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Mar 20, 1990
Inventors
Deb K. Chatterjee
Alan W. Hammond
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.