Download Docs
Export

METHODS FOR DECODING WATERMARK DATA FROM AUDIO, AND CONTROLLING AUDIO DEVICES IN ACCORDANCE THEREWITH

09/442,441 | U.S. Patent Application

Interested in this case?

Request a Demo Track this case, and find millions of cases like it, let us show you how.
Location FILE REPOSITORY (FRANCONIA)
Filed Nov. 17, 1999
Examiner ANDREW W JOHNS
Class 382
Art Group 2621
Patent No. 6,587,821
Case Type Utility - 382/100000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 08/951,858 Patented
Parent 08/436,134 Patented
Parent 08/327,426 Patented
Parent 08/215,289 Abandoned
Parent 08/154,866 Abandoned
Child 10/383,156 Patented
Show All
Last Updated: 4 years, 4 months ago
Date # Transaction