Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Storage tank
Patent
1996-08-21
1997-11-04
Douglas, Alan P.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Storage tank
2301
Patent
active
D03859444
REFERENCES:
patent: D271789 (1983-12-01), Hardee et al.
patent: 2213458 (1940-09-01), Buckley
patent: 3662918 (1972-05-01), Crawford et al.
patent: 5194144 (1993-03-01), Blough
Douglas Alan P.
Dutton, Jr. Harold H.
Liebman Diane F.
Taylor Robin V.
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