Inventor · disambiguated record
Douglas H. Crawford
Also filed as: CRAWFORD DOUGLAS H
2 granted patents·68 citations·filing 2007–2011
66Inventor score
Technology areasH04N
Files withCHIDEL PHILIP2
Top patents by PatentIndex Score
2 records- 0190US8214429B2Interactive television framework utilizing program-synchronous triggers and standard messaging and presence-detection protocolsCHIDEL PHILIP·Filed 2011·Granted Jul 3, 2012·51 cites·16 claims
- 0285US8775501B2Interactive television framework utilizing program-synchronous triggers and standard messaging and presence-detection protocolsCHIDEL PHILIP·Filed 2007·Granted Jul 8, 2014·17 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →