IP Library › Granted Patent US 6,595,218
Granted Patent Utility PCT National Stage
US 6,595,218 · Confirmation No. 5438

CIGARETTE FILTER

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2002-01-28 ABST Abstract 1 View
2002-01-28 LET. Miscellaneous Incoming Letter 47 View
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Quick Facts
Patent No.
US 6,595,218
App. No.
09/868,068
Filed
2002-01-28
Effective Filing
2001-06-14
Granted
2003-07-22
Art Unit
1731
PTA
0 days