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George Campbell
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Sunnyvale, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and system for upgrading a previously purchased media asset
Patent number
10,521,812
Issue date
Dec 31, 2019
Apple Inc.
Tracy Pirnack
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for upgrading a previously purchased media asset
Patent number
9,665,878
Issue date
May 30, 2017
Apple Inc.
Tracy Pirnack
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for upgrading a previously purchased media asset
Patent number
8,984,442
Issue date
Mar 17, 2015
Apple Inc.
Tracy Pirnack
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
METHOD AND SYSTEM FOR UPGRADING A PREVIOUSLY PURCHASED MEDIA ASSET
Publication number
20170345040
Publication date
Nov 30, 2017
Apple Inc.
Tracy Pirnack
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and System for Upgrading a Previously Purchased Media Asset
Publication number
20150213475
Publication date
Jul 30, 2015
Apple Inc.
Tracy Pirnack
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and System for Identifying Equivalent Digital Media Assets
Publication number
20100082663
Publication date
Apr 1, 2010
Ricardo D. Cortes
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and System for Upgrading a Previously Purchased Media Asset
Publication number
20080134032
Publication date
Jun 5, 2008
Tracy Pirnack
G06 - COMPUTING CALCULATING COUNTING