Granted Patent
Utility
US 6,680,378 · App. 09/666,890
Nucleic acid marker ladder for estimating mass
Inventor:
James L. Hartley
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Sep 20, 2000
Inventor
James L. Hartley
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.