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Harald Hoffmann
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Kiel, DE
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last 30 patents
Information
Patent Grant
Voice interruptible alarm device
Patent number
4,670,864
Issue date
Jun 2, 1987
Braun Aktiengesellschaft
Harald Hoffmann
G04 - HOROLOGY
Information
Patent Grant
Method and apparatus for controlling and regulating a motor with a...
Patent number
4,449,086
Issue date
May 15, 1984
Braun Aktiengesellschaft
Harald Hoffmann
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for controlling the rotational speed and phase...
Patent number
4,418,307
Issue date
Nov 29, 1983
Braun Aktiengesellschaft
Harald Hoffmann
G04 - HOROLOGY