Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1979-09-17
1982-01-19
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2304
Patent
active
D02627361
REFERENCES:
patent: D165246 (1951-11-01), Roffy
patent: D196619 (1963-10-01), Merz et al.
patent: D246795 (1977-12-01), Bonifant
patent: 4120257 (1978-10-01), Matucheski
Brookside Corporation
Largen James R.
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