Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Patent
1985-03-21
1987-11-24
Bullock, B. J.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Fitting
Patent
active
D02929341
REFERENCES:
patent: D259950 (1981-07-01), Henry
patent: 2257626 (1941-09-01), Thomson
patent: 2582515 (1952-01-01), Warp
patent: 2928251 (1960-03-01), Waring
patent: 3701260 (1972-10-01), Soileau
Noland Co. Plumbing & Heating Supplies "Catalogue E", p. E86, Hotstream Automatic Draft Regulator (1943).
Bullock B. J.
Vinson Brian N.
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