Granted Patent
Utility
US 6,033,823 · App. 09/285,957
Mutated penicillin G acylase genes
Inventors:
Jan Metske Van Der Laan, Adriana Marina Riemens, Wilhelmus J. Quax
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Apr 5, 1999
Inventors
Jan Metske Van Der Laan
Adriana Marina Riemens
Wilhelmus J. Quax
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.