Granted Patent
Utility
US 6,637,749 · App. 09/977,412
Seal for clean-in-place enclosure for a packaging machine
Inventor:
Terrance Scherman
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Oct 15, 2001
Inventor
Terrance Scherman
Assignee (at issue)
INTERNATIONAL PAPER COMPANY
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.