Granted Patent
Utility
US 5,284,568 · App. 07/916,231
Disposable cartridge for ion selective electrode sensors
Inventors:
Salvatore J. Pace, James D. Hamerslag
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Jul 17, 1992
Inventors
Salvatore J. Pace
James D. Hamerslag
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.