Granted Patent
Utility
US 4,808,520 · App. 06/712,481
Labelling of oligonucleotides
Inventors:
Nanibhushan Dattagupta, William J. Knowles
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Mar 15, 1985
Inventors
Nanibhushan Dattagupta
William J. Knowles
Assignee (at issue)
Molecular Diagnostics, 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.