Granted Patent
Utility
US 4,451,563 · App. 06/297,483
Method for increasing the sensitivity of assays
Inventor:
Richard A. Kaufman
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Aug 28, 1981
Inventor
Richard A. Kaufman
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.