Granted Patent
Utility
US 4,554,945 · App. 06/532,035
Liquid metering apparatus
Inventor:
Michael L. McKay
Patented Case
View Patent ↗
Granted: Nov 26, 1985
Filed: Aug 26, 1983
Inventor
Michael L. McKay
Assignee (at issue)
Orbital Engine Company Proprietary Limited
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.