Granted Patent
Utility
US 6,575,722 · App. 09/587,109
Apparatus for producing and cooling polymer pellets
Inventor:
Timothy W. Whitman
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Jun 2, 2000
Inventor
Timothy W. Whitman
Assignee (at issue)
Beringer
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.