Granted Patent
Utility
US 4,501,692 · App. 06/259,629
Charge effects in enzyme immunoassays
Inventors:
Ian Gibbons, Gerald L. Rowley, Edwin F. Ullman
Patented Case
View Patent ↗
Granted: Feb 26, 1985
Filed: May 1, 1982
Inventors
Ian Gibbons
Gerald L. Rowley
Edwin F. Ullman
Assignee (at issue)
Syva Company
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.