Exhaust roof cap

Details Exhaust roof cap Exhaust roof cap

1987-07-31

1989-10-31

Gandy, James M.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Patent

active

D03043673

REFERENCES:
patent: D124294 (1940-12-01), Leslie
patent: D131009 (1942-01-01), Leslie
patent: D132821 (1942-06-01), Leslie
patent: D134477 (1942-12-01), Leslie
patent: D299530 (1989-01-01), Hansen et al.
patent: 2300842 (1942-11-01), Leslie
patent: 2490220 (1949-12-01), Leslie
patent: 2551965 (1951-05-01), Peterson et al.
patent: 2565131 (1951-08-01), Johnson
patent: 2628551 (1953-02-01), Leigh
patent: 2741972 (1956-04-01), Pryne

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