IP Library › Granted Patent US 6,805,480
Granted Patent Utility PCT National Stage
US 6,805,480 · Confirmation No. 1823

CYLINDER FOR A TWIN-SCREW EXTRUDER WITH A HELICAL CHANNEL OF VARYING DEPTH

Inventor: Michael Behling
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Quick Facts
Patent No.
US 6,805,480
App. No.
10/069,218
Filed
2002-06-06
Effective Filing
2002-02-22
Granted
2004-10-19
Art Unit
1723
PTA
-165 days