Granted Patent
Utility
US 4,233,402 · App. 05/893,650
Reagents and method employing channeling
Inventors:
Edward T. Maggio, Richard L. Wife, Edwin F. Ullman
Patented Case
View Patent ↗
Granted: Nov 11, 1980
Filed: Apr 5, 1978
Inventors
Edward T. Maggio
Richard L. Wife
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.