Granted Patent
Utility
US 4,453,403 · App. 06/414,500
Volumetric metering equipment
Inventors:
Stephen Bussey, Barry Cockburn, Alastair E. F. Heath
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Aug 31, 1982
Inventors
Stephen Bussey
Barry Cockburn
Alastair E. F. Heath
Assignee (at issue)
Leslie Hartridge 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.