IP Library › Granted Patent US 6,718,501
Granted Patent Utility PCT National Stage
US 6,718,501 · Confirmation No. 3191

COPY PROTECTED DIGETAL AUDIO COMPACT DISC AND METHOD AND SYSTEM FOR PRODUCING SAME

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2004-03-12 WFEE Fee Worksheet (SB06) 1 View
2004-02-13 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-12-17 LET. Miscellaneous Incoming Letter 3 View
2002-05-28 LET. Miscellaneous Incoming Letter 82 View
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Quick Facts
Patent No.
US 6,718,501
App. No.
10/148,502
Filed
2002-05-28
Granted
2004-04-06
Art Unit
2133
PTA
0 days