Granted Patent
Utility
US 4,844,966 · App. 07/144,738
Assaying total IgE levels with fluorogenic enzyme labeled antibody
Inventors:
Emanuel Calenoff, Tsay Yuh-Geng, Ruth M. Jones, John Scott
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Jan 15, 1988
Inventors
Emanuel Calenoff
Tsay Yuh-Geng
Ruth M. Jones
John Scott
Assignee (at issue)
Minnesota Mining and Manufacturing 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.