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Henning RITTER
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Lubeck, DE
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Patents Grants
last 30 patents
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Patent Grant
Head protection device, communication unit, connection unit and sys...
Patent number
10,193,588
Issue date
Jan 29, 2019
Drager Safety AG & Co. KGaA
Achim Volmer
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Patent Grant
Supply circuit in a communication system of a protective headgear,...
Patent number
9,543,774
Issue date
Jan 10, 2017
Drager Safety AG & Co. KGaA
Achim Volmer
A42 - HEADWEAR
Patents Applications
last 30 patents
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Patent Application
HEAD PROTECTION DEVICE, COMMUNICATION UNIT, CONNECTION UNIT AND SYS...
Publication number
20160329922
Publication date
Nov 10, 2016
Drager Safety AG & Co. KGaA
Achim VOLMER
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
SUPPLY CIRCUIT IN A COMMUNICATION SYSTEM OF A PROTECTIVE HEADGEAR,...
Publication number
20140082829
Publication date
Mar 27, 2014
Drager Safety AG & Co. KGaA
Achim VOLMER
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER