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Asbjorn Krokstad
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Trondheim, NO
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last 30 patents
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Patent Grant
Programmable hybrid hearing aid with digital signal processing
Patent number
5,276,739
Issue date
Jan 4, 1994
NHA A/S
Asbjorn Krokstad
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Electrodynamic sound generator for hearing aids
Patent number
5,243,662
Issue date
Sep 7, 1993
NHA A/S
Bjorn Sogn
H04 - ELECTRIC COMMUNICATION TECHNIQUE