Granted Patent
Utility
US 5,141,867 · App. 07/347,004
Nucleotide sequence encoding a human immunodeficiency virus antigen
Inventors:
Lucinda A. Ivanoff, Steven R. Petteway
Patented Case
View Patent ↗
Granted: Aug 25, 1992
Filed: May 4, 1989
Inventors
Lucinda A. Ivanoff
Steven R. Petteway
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.