Granted Patent
Utility
US 4,657,857 · App. 06/570,984
Yeast of the genus kluyveromyces modified for the expression of preprothaumatin or its various allelic and modified forms or their maturation forms, and the proteins obtained by that expression
Inventors:
Luppo Edens, Adrianus Marinus Ledeboer, Cornelis Theodorus Verrips, Johannes A. van den Berg
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: Jan 18, 1984
Inventors
Luppo Edens
Adrianus Marinus Ledeboer
Cornelis Theodorus Verrips
Johannes A. van den Berg
Assignee (at issue)
Internationale Otrool Maatschappij Octropa B.V.
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.