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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
GI

Gregory Irwin — 4 Patents

ATAT&T: 4 patents #4,409 of 18,772Top 25%
Duluth, GA: #261 of 860 inventorsTop 35%
Georgia: #8,366 of 35,610 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Gregory Irwin has been granted 4 US patents while listed as an inventor at AT&T. The first was granted in 2011 and the most recent in May 2014. Gregory Irwin ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Gregory Irwin in Duluth, GA, US.

Patents per Year

Patents granted per year, 2011 to 2014Bar chart with a peak of 1 patents in 2011.peak 12011: 1 patents20112012: 1 patents20122013: 1 patents20132014: 1 patents2014

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8732539 Test system having a sub-system to sub-system bridge Charles Lutz, Jason Speilvogel, Nicole Nall, Barron Cain, William Keyes 2014-05-20 $12,696,000
8443245 Test system having a sub-system to sub-system bridge Charles Lutz, Jason Spielvogel, Nicole Nall, Barron Cain, William Keyes 2013-05-14 $26,859,000
8230278 Test system having a sub-system to sub-system bridge Charles Lutz, Jason Spielvogel, Nicole Nall, Barron Cain, William Keyes 2012-07-24 $33,502,000
7974386 Methods and systems for testing new network element failure rate Charles Lutz, Jason Spielvogel, Calvin Laurance 2011-07-05 $22,389,000