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Arlov, SW
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Patents Grants
last 30 patents
Information
Patent Grant
Back pressure operated sound transmitter
Patent number
3,942,468
Issue date
Mar 9, 1976
Kockums Mekaniska Verkstads Aktiebolag
Svante Bertil Olofsson
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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last 30 patents
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Trademark
71518765 - KOCKUMS MALMO
Serial number
71518765
Registration number
514350
Filing date
Mar 10, 1947
KOCKUMS MEKANISKA VERKSTADS AKTIEBOLAG
12 - Vehicles