Klein Wesenberg
Germany
4
2024-06-20
The entities that hold a legal rights for patent applications filed by inventor HEYER Harald:
Harald HEYER from Klein Wesenberg, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
BREATHING HALF MASK
#2 | 2019-09-26BREATHING HALF MASK
#3 | 2014-03-20Directional valve and respirator product with a directional valve
#4 | 2013-03-21Directional valve and breathing mask with a directional valve
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