DH

Derek Hatchett

BA Boston Acoustics: 1 patents #22 of 39Top 60%
LS Logitech Europe S.A.: 1 patents #644 of 1,028Top 65%
Overall (All Time): #2,216,257 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D460475 Camera support Jochen Backs, Paul R. Hamerton-Kelly, Hans Liemke 2002-07-16
5940522 Speaker with passive voice coil cooling David Cahill, Aaron Linn 1999-08-17