Granted Patent
Utility
US 5,679,380 · App. 08/623,920
Underwater pelletizing die plate
Inventors:
Rainer Munz, Rainer Sauter
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Mar 28, 1996
Inventors
Rainer Munz
Rainer Sauter
Assignee (at issue)
Werner & Pfleiderer 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.