F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 13/18 (2006.01) E06B 7/06 (2006.01) E06B 7/10 (2006.01)
Patent
CA 2161079
A ventilator for a door or window comprises an elongate housing for mounting on an outer edge of a frame of the door or window and having an elongate pivotal flap for controlling air flow through a transverse air duct formed between spaced members of the housing.
Fisher Michael James
Harrison Peter James
Hardware & Systems Patents Limited
Macrae & Co.
LandOfFree
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