Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Darrell G. Freeman — 7 Patents

ATAT&T: 7 patents #2,622 of 18,772Top 15%
Breckenridge, TX: #2 of 14 inventorsTop 15%
Texas: #21,608 of 125,132 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Darrell G. Freeman has been granted 7 US patents while listed as an inventor at AT&T. The first was granted in 2009 and the most recent in January 2021. Darrell G. Freeman ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Darrell G. Freeman in Breckenridge, TX, US.

Patents per Year

Patents granted per year, 2009 to 2021Bar chart with a peak of 1 patents in 2009.peak 12009: 1 patents20092011: 1 patents20112013: 1 patents20132014: 1 patents20142016: 1 patents20162018: 1 patents20182021: 1 patents2021

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10887391 Remote cloud backup of data James Gardner 2021-01-05 $25,728,000
10044805 Asymmetric data mirroring James Gardner 2018-08-07 $49,911,000
9344502 Asymmetric data mirroring James Gardner 2016-05-17 $33,927,000
8819479 Asymmetric data mirroring James Gardner 2014-08-26 $13,049,000
8443229 Asymmetric data mirroring James Gardner 2013-05-14 $26,859,000
7941694 Asymmetric data mirroring James Gardner 2011-05-10 $15,508,000
7549080 Asymmetric data mirroring James Gardner 2009-06-16 $68,404,000