Ventilation – Workstation ventilator – Movable
Patent
1997-07-22
1999-03-16
Joyce, Harold
Ventilation
Workstation ventilator
Movable
B08B 1502
Patent
active
058822550
ABSTRACT:
A box like base is hung from the under surface of a table and is slidable outwardly therefrom to a position adjacent the patron. A chimney assembly is mounted in the container and extendible upward in use for capturing tobacco smoke. A fan disposed in the chimney assembly for propelling smoke upwardly.
REFERENCES:
patent: 5063834 (1991-11-01), Aalto et al.
Boles Derek S.
Joyce Harold
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