Granted Patent
Utility
US 5,790,422 · App. 08/406,695
Method and apparatus for determining the quantity of a liquid in a container independent of its spatial orientation
Inventors:
Wendy Power, Michael A. Reed, Dominick J. Frustaci
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Mar 20, 1995
Inventors
Wendy Power
Michael A. Reed
Dominick J. Frustaci
Assignee (at issue)
Figgie Inernational Inc.
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.