Granted Patent
Utility
US 4,524,025 · App. 06/406,554
Hybridoma cell lines and monoclonal antibodies to theophylline
Inventor:
John E. Geltosky
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Aug 9, 1982
Inventor
John E. Geltosky
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.