Granted Patent
Utility
US 4,965,047 · App. 07/156,837
Analytical test strip
Inventor:
John M. Hammond
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Feb 17, 1988
Inventor
John M. Hammond
Assignee (at issue)
CMB Foodcan plc
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.