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

Andrew Schnable — 4 Patents

ATAT&T: 4 patents #4,409 of 18,772Top 25%
Naperville, IL: #874 of 3,051 inventorsTop 30%
Illinois: #21,640 of 84,256 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Andrew Schnable has been granted 4 US patents while listed as an inventor at AT&T. The first was granted in 1998 and the most recent in July 2008. Andrew Schnable ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Andrew Schnable in Naperville, IL, US.

Patents per Year

Patents granted per year, 1998 to 2008Bar chart with a peak of 2 patents in 1998.peak 21998: 2 patents19982004: 1 patents20042008: 1 patents2008

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7397764 Flow control between fiber channel and wide area networks Babu Kalampukattussery Cherian, William R. Krieg, Shreedhara Maduvinakodi Ramegowda, Hemant Kumar KashinathRao Revankar, Shiva Kumar Yenigalla 2008-07-08
6792005 Timing circuitry for muxing/demuxing of optical communication signals Roman Antosik, Lewis K. Stroll, Richard L. Ukeiley 2004-09-14 $13,665,000
5815559 Method for selecting AMA records using directory numbers 1998-09-29 $39,833,000
5721753 Recording verification system Guy W. Ehler, Martin Patrick McEnroe, Quyen Tran 1998-02-24 $19,512,000