Granted Patent
Utility
US 5,663,047 · App. 08/264,250
HLA-DR antigen gene and its nucleotide sequence and its use
Inventors:
Fumiya Obata, Noboru Kashiwagi
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Jun 22, 1994
Inventors
Fumiya Obata
Noboru Kashiwagi
Assignees (at issue)
Mitsui Petrochemical Industries, Ltd.
The Kitasato Institute
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.