Granted Patent
Utility
US 5,690,151 · App. 08/631,683
Dual channel bag filling machine with a clean-in-place system that cleans one channel while the other continues to fill bags
Inventors:
Christopher C. Rutter, Robert A. Bilbrey, William Charron
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Apr 2, 1996
Inventors
Christopher C. Rutter
Robert A. Bilbrey
William Charron
Assignee (at issue)
Packaging Systems LLC
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.