Granted Patent
Utility
US 6,653,072 · App. 09/339,926
Methods and compositions for polypeptide engineering
Inventors:
Phillip A. Patten, Willem P. C. Stemmer
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jun 24, 1999
Inventors
Phillip A. Patten
Willem P. C. Stemmer
Assignee (at issue)
Maxygen, Inc.
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.