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USPTO Patent Rankings Data through Sept 30, 2025
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Dooho Yum — 1 Patent

BEBeltone Electronics: 1 patents #14 of 29Top 50%
Elk Grove Village, IL: #251 of 434 inventorsTop 60%
Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,105,823 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4187472 Amplifier employing matched transistors to provide linear current feedback 1980-02-05