Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Dispersal
Patent
1996-09-19
1998-10-20
Nunn, Freda
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Dispersal
2301
Patent
active
D03999203
REFERENCES:
patent: 2535766 (1950-12-01), Wahlin
patent: 3514040 (1970-05-01), Carson
patent: 5632339 (1997-05-01), Fenske et al.
Lambert Anthony R.
Nunn Freda
Skyscraper Cleaning Services Inc.
Taylor Robin V.
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