Exhaust collar for a wood burning unit

Details Exhaust collar for a wood burning unit Exhaust collar for a wood burning unit

1990-11-19

1992-09-01

Burke, Wallace R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Patent

active

D03290905

REFERENCES:
patent: 89179 (1869-04-01), Spear
patent: 231625 (1880-08-01), Sheppard
patent: 880150 (1908-02-01), Lyman
patent: 1604219 (1926-10-01), Coventry
patent: 2126201 (1938-08-01), McCall
patent: 2149565 (1939-03-01), Anderson
patent: 4263890 (1981-04-01), Turko et al.
Sand Hill 1984 Cat., p. 44, Cast Iron Damper, top left side of page.
Woodstone and Fireplace Brochures Box I.

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