Granted Patent
Utility
US 5,856,159 · App. 08/622,753
Production of galactosyltransferase
Inventor:
Carl Perez
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Mar 27, 1996
Inventor
Carl Perez
Assignee (at issue)
Cytel Inc.
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.