Granted Patent
Utility
US 4,594,533 · App. 06/675,464
Device for analyzing chemical substance
Inventors:
Martin Snook, James M. Rideout, Alan Renshaw
Patented Case
View Patent ↗
Granted: Jun 10, 1986
Filed: Nov 28, 1984
Inventors
Martin Snook
James M. Rideout
Alan Renshaw
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT 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.