Granted Patent
Utility
US 6,521,111 · App. 09/546,574
Methods and articles for labeling polymer gels
Inventors:
Joseph Amshey, Allen Bautista
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Apr 10, 2000
Inventors
Joseph Amshey
Allen Bautista
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.