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Methods and apparatus to monitor a media presentation Grant 11,418,233 - Krug , et al. August 16, 2 | 2022-08-16 |
Methods And Apparatus To Monitor A Media Presentation App 20200382164 - Krug; William K. ;   et al. | 2020-12-03 |
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Methods And Apparatus To Monitor A Media Presentation App 20190103896 - Krug; William K. ;   et al. | 2019-04-04 |
System And Method For Utilizing Audio Encoding For Measuring Media Exposure With Environmental Masking App 20190019521 - Lynch; Wendell ;   et al. | 2019-01-17 |
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System and method for utilizing audio encoding for measuring media exposure with environmental masking Grant 10,008,212 - Lynch , et al. June 26, 2 | 2018-06-26 |
Methods And Apparatus To Monitor A Media Presentation App 20170207822 - Krug; William K. ;   et al. | 2017-07-20 |
Methods and apparatus to monitor a media presentation Grant 9,614,881 - Krug , et al. April 4, 2 | 2017-04-04 |
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Methods And Apparatus To Monitor A Media Presentation App 20150112466 - Krug; William K. ;   et al. | 2015-04-23 |
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Motion Detector Module App 20140297219 - Zhang; James ;   et al. | 2014-10-02 |
System and method for determining broadcast dimensionality Grant 8,826,317 - Krug September 2, 2 | 2014-09-02 |
Research Data Gathering With A Portable Monitor And A Stationary Device App 20140229232 - Crystal; Jack C. ;   et al. | 2014-08-14 |
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System And Method For Determining Broadcast Dimensionality App 20100269127 - KRUG; William K. | 2010-10-21 |
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Motion detector module App 20090171616 - Zhang; James ;   et al. | 2009-07-02 |
Research Data Gathering With A Portable Monitor And A Stationary Device App 20090037575 - Crystal; Jack C. ;   et al. | 2009-02-05 |
Survey data acquisition App 20080204273 - Crystal; Jack C. ;   et al. | 2008-08-28 |
Laser pulse receiver for detecting and recording weak laser pulses in variable background radiation Grant 5,047,620 - Durvasula , et al. September 10, 1 | 1991-09-10 |