Granted Patent
Utility
US 6,767,520 · App. 09/934,798
Cooling system for polymer processing
Inventor:
Ilya Pikus
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Aug 22, 2001
Inventor
Ilya Pikus
Assignee (at issue)
HOSOKAWA BEPEX GMBH
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.