Granted Patent
Utility
US 5,037,751 · App. 07/405,553
Microbial purified esterases
Inventors:
Mauro A. Bertola, Arthur F. Marx, Hein S. Koger, Wilhelmus J. Quax, Cornelis Jacobus Van Der Laken, Gareth T. Phillips, Brian W. Robertson, Peter D. Watts
Patented Case
View Patent ↗
Granted: Aug 6, 1991
Filed: Sep 11, 1989
Inventors
Mauro A. Bertola
Arthur F. Marx
Hein S. Koger
Wilhelmus J. Quax
Cornelis Jacobus Van Der Laken
Gareth T. Phillips
Brian W. Robertson
Peter D. Watts
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.