Granted Patent
Utility
US 6,284,472 · App. 09/294,489
Method for extending the range of an immunoassay
Inventors:
Tie Q. Wei, Thomas John Pankratz, Victor P. Chu
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Apr 20, 1999
Inventors
Tie Q. Wei
Thomas John Pankratz
Victor P. Chu
Assignee (at issue)
Dade Behring 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.