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USPTO Patent Rankings Data through Sept 30, 2025
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Rainer Wurz — 1 Patent

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Ehringhausen, DE: #1 of 3 inventorsTop 35%
Overall (All Time): #3,964,346 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4789841 Circuit arrangement for noise reduction at the minimum volume setting of an amplifier 1988-12-06