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Axel FREITAG
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Unterbalbach, DE
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Patents Grants
last 30 patents
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Patent Grant
Safety helmet with module ring
Patent number
8,015,626
Issue date
Sep 13, 2011
Drager Safety AG & Co. KGaA
Thomas Grassl
A42 - HEADWEAR
Patents Applications
last 30 patents
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Patent Application
SAFETY HELMET WITH MODULE RING
Publication number
20070022520
Publication date
Feb 1, 2007
Drager Safety AG & Co. KGaA
Thomas GRASSL
A62 - LIFE-SAVING FIRE-FIGHTING