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App. No. 11/943,301 · Confirmation No. 3219

Method and Apparatus for Limiting Access to Programming in a Switched Digital Video System

Inventor: Bruce Bradley
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Quick Facts
App. No.
11/943,301
Filed
2007-11-20
Granted
2013-09-03
Pub. No.
US20090133049A1
Examiner
CHUNG, JASON
Art Unit
2423
PTA
-87 days