Granted Patent
Utility
US 5,201,823 · App. 07/904,219
Container metering device having mechanically forced separation
Inventor:
Irvan Leo Pazdernik
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Jun 25, 1992
Inventor
Irvan Leo Pazdernik
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.