Granted Patent
Utility
US 6,503,726 · App. 09/794,789
Chromogenic substrate to detect urine adulteration
Inventors:
Lakshmi Anne, Weixing Luo, Ker-Kong Tung
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Feb 27, 2001
Inventors
Lakshmi Anne
Weixing Luo
Ker-Kong Tung
Assignee (at issue)
Applied Biotech, 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.