Granted Patent
Utility
US 5,804,049 · App. 08/121,822
Material for establishing solid state contact for ion selective electrodes
Inventor:
Andy Chan
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: Sep 15, 1993
Inventor
Andy Chan
Assignee (at issue)
Chiron Diagnostics Corporation
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.