Granted Patent
Utility
US 6,022,958 · App. 08/468,859
cDNAs coding for members of the carcinoembryonic antigen family
Inventors:
Thomas Barnett, James J. Elting, Michael E. Kamarck, Axel Kretschmer
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Jun 6, 1995
Inventors
Thomas Barnett
James J. Elting
Michael E. Kamarck
Axel Kretschmer
Assignee (at issue)
Bayer Aktiengesellschaft
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.