Granted Patent
Utility
US 5,830,721 · App. 08/537,874
DNA mutagenesis by random fragmentation and reassembly
Inventors:
Willem P. Stemmer, Andreas Crameri
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: Mar 4, 1996
Inventors
Willem P. Stemmer
Andreas Crameri
Assignee (at issue)
Affymax Technologies N.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.