Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1997-07-18
1998-07-14
Douglas, Alan P.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
2301
Patent
active
D03960889
REFERENCES:
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patent: D289317 (1987-04-01), Mezey
patent: D296463 (1988-06-01), Padilla
patent: D328121 (1992-07-01), Pedersen et al.
patent: D386242 (1997-11-01), Clack et al.
patent: 5529689 (1996-06-01), Korin
Chan Raymond Y.
Douglas Alan P.
Taylor Robin V.
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