Granted Patent
Utility
US 5,301,848 · App. 07/961,460
Electromagnetic meter for closed dispensing container
Inventors:
Larry M. Conrad, David Walton
Patented Case
View Patent ↗
Granted: Apr 12, 1994
Filed: Oct 15, 1992
Inventors
Larry M. Conrad
David Walton
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.