Granted Patent
Utility
US 4,969,365 · App. 07/449,509
Method and apparatus for measuring the volume of a flowing liquid
Inventors:
Bengt-Olof Strigard, Tord Andreasson
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Dec 4, 1989
Inventors
Bengt-Olof Strigard
Tord Andreasson
Assignee (at issue)
Ljungmans Industrier AB
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.