Granted Patent
Utility
US 4,832,178 · App. 07/193,537
Container metering device
Inventors:
David L. Anderson, James F. Korkowski
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: May 12, 1988
Inventors
David L. Anderson
James F. Korkowski
Assignee (at issue)
APV Douglas Machine Corporation
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.