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WRITE-PROTECTED RECORDING

13/790,553 | U.S. Patent Application

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Location ELECTRONIC
Filed March 8, 2013
Examiner NHON THANH DIEP
Class 348
Art Group 2487
Patent No. 9,485,471
Case Type Utility - 348/143000
Status Patented Case
Parent 12/560,584 Patented
Parent 12/268,286 Patented
Parent 11/770,920 Patented
Parent 60/824,097 Expired
Parent 11/846,217 Patented
Parent 60/824,095 Expired
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Last Updated: 3 years, 9 months ago
Date # Transaction