Patent
1983-01-05
1985-04-23
Wayner, William E.
98108, F24F 1300
Patent
active
045122415
ABSTRACT:
A plenum/vacuum chamber for providing air circulation in a room. The chamber is attached to a housing affixed over an opening in the wall of the room and extends into the room. The housing has a grille passing therethrough which has an air-tight compartment around it.
REFERENCES:
patent: 1650569 (1927-11-01), Nickle
patent: 2848936 (1958-08-01), Vallero
patent: 3124903 (1964-03-01), Truhan
Hafner V. Walter
Morris Earl L.
Acorn Engineering Company
Averill, Jr. Edgar W.
Sollecito John
Wayner William E.
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