Granted Patent
Utility
US 5,935,831 · App. 08/541,780
Mutated .beta.-lactam acylase genes
Inventors:
Wilhelmus J. Quax, Onno Misset, Jan Metske Van Der Laan, Herman B. M. Lenting
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Oct 10, 1995
Inventors
Wilhelmus J. Quax
Onno Misset
Jan Metske Van Der Laan
Herman B. M. Lenting
Assignee (at issue)
Gist-Brocades 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.