Granted Patent
Utility
US 5,891,703 · App. 08/793,229
Mutated penicillin G acylase genes
Inventors:
Jan Metske Van Der Laan, Adriana Marina Riemens, Wilhelmus J. Quax
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Apr 23, 1997
Inventors
Jan Metske Van Der Laan
Adriana Marina Riemens
Wilhelmus J. Quax
Assignee (at issue)
Gist-Hrocades
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.