Granted Patent
Utility
US 6,148,874 · App. 09/144,719
Filling head mechanism that removes material from a spout of a filled container before completely disengaging from the spout
Inventors:
Christopher C. Rutter, Stanley E. Hurd
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Sep 1, 1998
Inventors
Christopher C. Rutter
Stanley E. Hurd
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.