Douglas H. Crawford

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Interactive television framework utilizing program-synchronous trig...
- Patent number 8,775,501
- Issue date Jul 8, 2014
- Coincident.TV, Inc.
- Philip Chidel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interactive television framework utilizing program-synchronous trig...
- Patent number 8,214,429
- Issue date Jul 3, 2012
- Coincident.TV, Inc.
- Philip Chidel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Interactive Television Framework Utilizing Program-Synchronous Trig...
- Publication number 20110196917
- Publication date Aug 11, 2011
- Philip Chidel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Interactive Television Framework Utilizing Program-Synchronous Trig...
- Publication number 20110161394
- Publication date Jun 30, 2011
- Philip Chidel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE