Granted Patent
Utility
US 3,933,997 · App. 05/447,251
Solid phase radioimmunoassay of digoxin
Inventors:
Leroy S. Hersh, Sidney Yaverbaum
Patented Case
View Patent ↗
Granted: Jan 20, 1976
Filed: Mar 1, 1974
Inventors
Leroy S. Hersh
Sidney Yaverbaum
Assignee (at issue)
Corning Glass Works
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.