Assignee
VERTO NV
2 granted patents·145 citations·filing 1975–1977
Top patents by PatentIndex Score
2 records- 0194US3998916AMethod for the manufacture of an electret fibrous filterVERTO NV·Filed 1975·Granted Dec 21, 1976·94 cites·9 claims
- 0292US4178157AMethod for manufacturing a filter of electrically charged electret fiber material and electret filters obtained according to said methodVERTO NV·Filed 1977·Granted Dec 11, 1979·51 cites·6 claims
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