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

Walter Kellerman — 1 Patent

GBGrundig Multimedia B.V.: 1 patents #2 of 14Top 15%
Eckental, DE: #77 of 135 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Walter Kellerman has been granted 1 US patent while listed as an inventor at Grundig Multimedia B.V.. All of these patents were granted in 2006. Walter Kellerman ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Walter Kellerman in Eckental, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7062041 Device and method for carrying out multichannel acoustic echo cancellation with a variable number of channels Herbert Buchner 2006-06-13