Granted Patent
Utility
US 6,140,134 · App. 08/960,758
Analyte detection with a gradient lateral flow device
Inventor:
James H. Rittenburg
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Oct 29, 1997
Inventor
James H. Rittenburg
Assignee (at issue)
Biocode, 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.