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Browse, filter, and analyze 1 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US3363531A Ventilating arrangement for the rooms of a building, especially of a stall, pigsty, fwl-house or the like Lohmann Apparatebau KG Expired / Lapsed 1966-10-14 1968-01-16 1986-10-14 0.0 yrs 2