Granted Patent
Utility
US 5,964,994 · App. 08/999,835
Composition and method for manufacturing ion selective electrode sensors
Inventors:
Alan R. Craig, James D. Hamerslag
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Nov 21, 1997
Inventors
Alan R. Craig
James D. Hamerslag
Assignee (at issue)
Dade Behring Inc.
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.