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Inventor
DUNBAR DOUGLAS N
US
2 patents
Patents
2 patents
US9750295B2
Sep 5, 2017
Welding helmet configuration providing real-time fume exposure warning capability
LINCOLN GLOBAL INC
5 citations
67
US10442028B2
Oct 15, 2019
Welding helmet configuration providing real-time fume exposure warning capability
LINCOLN GLOBAL INC
1 citations
59