Douglas Brent Turnbow

4 Patents

• US125632652026

  Methods and Apparatus to Determine Audience Engagement

  The Nielsen Company (US), LLC

  0 cites
• US122070582025

  Methods, Systems, Apparatus, and Articles of Manufacture to Determine Performance of Audience Measurement Meters

  The Nielsen Co. (US) LLC

  0 cites
• US120693362024

  Methods and Apparatus to Determine Audience Engagement

  The Nielsen Company (US), LLC

  0 cites
• US116718212023

  Methods and Apparatus to Perform Audio Sensor Selection in an Audience Measurement Device

  0 cites