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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 6878055 | Window assembly A window assembly (1) enabling an innovative manner of adjustably allowing an air circulation between an outside environment of the window assembly (1) and an inside environment of the window assembly (1), the inside environment not being affect... | 04/12/2005 |
| 5244434 | Ventilator A controllable slot ventilator has a housing and a closure member pivotably mounted on the housing to selectively close a vent in the housing. The closure member is supported on linking elements which are mounted on the closure member. The linking element... | 09/14/1993 |
| 5232402 | Interior ventilation adjustment device Interior ventilation adjustment device including a first seat which is arrangeable in a building partition and which is provided with a first opening communicating with the building exterior and a second opening communicating with the building interior. T... | 08/03/1993 |
| 5194040 | Slot ventilators A slot ventilator (1) comprises an elongate facing strip (7) which is movable on parallel-motion links (12) between a closed position in which it seals a slot (4) in a backing member (3), and a forward, open position. The parallel-motion links (12) are pi... | 03/16/1993 |
| 4186656 | Thermal break ventilator unit A thermal break ventilator unit designed to extend between the opposed end jambs of a window frame. The thermal break ventilator unit has a box-shaped body with a ventilating passage therethrough. Essentially cylindrical, opposed raceways are attached to ... | 02/05/1980 |
