Granted Patent
Utility
US 5,436,136 · App. 07/811,898
Repressible yeast promoters
Inventors:
Albert Hinnen, Bernd Meyhack
Patented Case
View Patent ↗
Granted: Jul 25, 1995
Filed: Dec 20, 1991
Inventors
Albert Hinnen
Bernd Meyhack
Assignee (at issue)
Ciba-Geigy
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.