Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1994-02-07
1995-05-16
Zarfas, Louis S.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
D23207
Patent
active
D03584607
REFERENCES:
patent: D297968 (1988-10-01), Norman et al.
patent: 3073674 (1963-01-01), Rudelick
patent: 4976851 (1990-12-01), Tanokura et al.
patent: 5075002 (1991-12-01), Thalmann et al.
Hannon Monica A.
Scott Gene
Zarfas Louis S,.
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