Granted Patent
Utility
US 5,265,482 · App. 07/703,826
Method of sampling a container
Inventors:
James E. Davis, Edward A. Nuzzaci
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: May 21, 1991
Inventors
James E. Davis
Edward A. Nuzzaci
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.