Granted Patent
Utility
US 4,314,484 · App. 06/083,002
Self-compensating optical drop count apparatus for measuring volumetric fluid flow
Inventor:
Robert Bowman
Patented Case
View Patent ↗
Granted: Feb 9, 1982
Filed: Oct 9, 1979
Inventor
Robert Bowman
Assignee (at issue)
The University of Utah Research Foundation
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.