Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1993-06-02
1995-10-31
Zarfas, Lou
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Patent
active
D03637581
REFERENCES:
patent: 520525 (1894-05-01), Hodges et al.
patent: 898861 (1908-09-01), De Focatiis
patent: 1043305 (1912-11-01), Duensing
patent: 2610142 (1952-09-01), Lawrence
patent: 4302297 (1981-11-01), Humiston
Boucher Armand R.
Hambrick Philip N.
Carrithers David W.
Hannon Monica A.
Vendome Copper & Brass Works, Inc.
Zarfas Lou
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