Granted Patent
Utility
US 5,532,335 · App. 08/427,801
Method for thermally processing polyester pellets
Inventors:
Gregory J. Kimball, Ilya Pikus
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Apr 26, 1995
Inventors
Gregory J. Kimball
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.