David Hartman has been granted 18 US patents while listed as an inventor at AT&T . The first was granted in 2007 and the most recent in April 2019. David Hartman ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list David Hartman in Austin, TX, US.
Patents per Year Patents granted per year, 2007 to 2019 Bar chart with a peak of 2 patents in 2007. peak 2 2007: 2 patents 2007 2009: 1 patents 2010: 2 patents 2010 2011: 2 patents 2012: 2 patents 2012 2013: 1 patents 2014: 2 patents 2014 2015: 2 patents 2016: 1 patents 2016 2017: 1 patents 2018: 1 patents 2018 2019: 1 patents 2019
Issued Patents All Time
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Showing 1–18 of 18 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
10250944 Multi-platform digital television Ahmad Ansari 2019-04-02
$66,308,000
10085054 System and method to provide a unified video signal for diverse receiving platforms Ahmad Ansari , Dinesh Nadarajah 2018-09-25
$47,773,000
9693101 Multi-platform digital television Ahmad Ansari 2017-06-27
$31,181,000
9338490 System and method to provide a unified video signal for diverse receiving platforms Ahmad Ansari , Dinesh Nadarajah 2016-05-10
$32,292,000
9066139 Multi-platform digital television Ahmad Ansari 2015-06-23
$41,402,000
8966563 System and method to provide a unified video signal for diverse receiving platforms Ahmad Ansari , Dinesh Nadarajah 2015-02-24
$30,757,000
8782687 Multi-platform digital television Ahmad Ansari 2014-07-15
$14,870,000
8732771 System for providing DBS DSL video services to multiple display devices Ahmad Ansari , Brad Medford , Russell W. White 2014-05-20
$12,696,000
8553113 Digital image capturing system and method Ahmad Ansari , Donald Kevin Reynolds, Jr. 2013-10-08
$17,227,000
8209727 Method and apparatus for distributing signals Ahmad Ansari , Vernon Reed , Pierre Costa 2012-06-26
$33,085,000
8144721 Ring overlay network dedicated to carry broadcast traffic to DSLAMs Albert Chungbor Wan , Ahmad Ansari , Mehrad Yasrebi 2012-03-27
$20,159,000
7937640 Video over IP network transmission system Pierre Costa , Ahmad Ansari , Vernon Reed 2011-05-03
$34,928,000
7908627 System and method to provide a unified video signal for diverse receiving platforms Ahmad Ansari , Dinesh Nadarajah 2011-03-15
$18,760,000
7849384 System and method of processing video data Pierre Costa , Ahmad Ansari , Brad Medford 2010-12-07
$21,188,000
7746884 Communications gateway and method of using the same Paul Van Vleck , Ahmad Ansari , Vernon Reed 2010-06-29
$37,788,000
7577898 System and method of correcting video data errors Pierre Costa , Ahmad Ansari , Brad Medford 2009-08-18
$46,074,000
7301936 Ring overlay network dedicated to carry broadcast traffic to DSLAMs Albert Chungbor Wan , Ahmad Ansari , Mehrad Yasrebi 2007-11-27
$316,000
7260825 System for providing DBS and DSL video services to multiple television sets Ahmad Ansari , Brad Medford , Russell W. White 2007-08-21
$5,264,000