FE

Frederiksen Erling

AK Aktieselskabet Bruel & Kjaer: 1 patents #3 of 9Top 35%
Overall (All Time): #3,943,544 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4887300 Pressure gradient microphone — 1989-12-12