Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Doak — 4 Patents

ATAT&T: 2 patents #7,295 of 18,772Top 40%
Cisco: 2 patents #5,546 of 13,007Top 45%
Boonton, NJ: #56 of 178 inventorsTop 35%
New Jersey: #19,535 of 69,400 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Doak has been granted 4 US patents while listed as an inventor at AT&T. The first was granted in 1996 and the most recent in October 2008. David Doak ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Doak in Boonton, NJ, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7433988 Port adapter for high-bandwidth bus Garry P. Epps, Guy Fedorkow, Mark A. Gustlin, Steven P. Holmes, Randall Johnson +2 more 2008-10-07 $19,989,000
7111102 Port adapter for high-bandwidth bus Garry P. Epps, Guy Fedorkow, Mark A. Gustlin, Steven P. Holmes, Randall Johnson +4 more 2006-09-19 $48,472,000
5521550 Digital circuitry for noise blanking 1996-05-28
5512856 Method and apparatus for nonlinear compensation 1996-04-30