Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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William Fredenburg — 2 Patents

Cisco: 2 patents #5,546 of 13,007Top 45%
Apex, NC: #722 of 1,394 inventorsTop 55%
North Carolina: #18,944 of 45,564 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
William Fredenburg has been granted 2 US patents while listed as an inventor at Cisco. The first was granted in 2004 and the most recent in February 2007. William Fredenburg ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William Fredenburg in Apex, NC, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7185224 Processor isolation technique for integrated multi-processor systems Kenneth Michael Key, Michael L. Wright, John Marshall 2007-02-27 $52,739,000
6681341 Processor isolation method for integrated multi-processor systems Kenneth Michael Key, Michael L. Wright, John Marshall 2004-01-20 $162,114,000