Directional vent register

Details Directional vent register Directional vent register

1995-01-31

1996-10-29

Joyce, Harold

Ventilation

Having inlet airway

Including specific air distributor

454289, 454307, 454316, F24F 1312

Patent

active

055690777

ABSTRACT:
A directional vent register having a primary grill in a generally conventional position in a top plate which pivots to expose and open a secondary grill which directs the air in a forward direction.

REFERENCES:
patent: Re20788 (1938-07-01), Eckenroth
patent: D315790 (1991-03-01), Koessler
patent: 848758 (1907-04-01), Meibeyer
patent: 1571631 (1926-02-01), Krueger
patent: 1691285 (1928-11-01), Helms
patent: 3628441 (1971-12-01), Ardussi et al.
patent: 4633770 (1987-01-01), Taylor et al.
patent: 5230657 (1993-07-01), Opoka
patent: 5232403 (1993-08-01), Marotta

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