Granted Patent
Utility
US 6,617,111 · App. 09/852,093
Method for measuring unit activity of an enzyme
Inventors:
David F. Nellis, Stephanie Nilsen
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: May 10, 2001
Inventors
David F. Nellis
Stephanie Nilsen
Assignee (at issue)
Invitrogen Corporation
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.