Trademark applications and grants for N V Verto. N V Verto has 2 trademark applications. The latest application filed is for "HUTIN"
Patent Application | Date |
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Method for manufacturing a filter of electrically charged electret fiber material and electret filters obtained according to said method 4,178,157 - 05/862,768 van Turnhout , et al. December 11, 1 | 1979-12-11 |
Method for the manufacture of an electret fibrous filter 3,998,916 - 05/561,872 van Turnhout December 21, 1 | 1976-12-21 |
Mark Image Registration | Serial | Trademark Application Date |
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![]() "HUTIN" 1136599 73190525 |
HUTIN 1978-10-24 |
![]() "FILTRETE" 1363908 73149895 |
FILTRETE 1977-12-22 |
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