Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Dispersal
Patent
1985-04-23
1988-08-30
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Dispersal
Patent
active
D02974533
REFERENCES:
patent: D282768 (1986-02-01), Christen et al.
patent: 4182494 (1980-01-01), Wichman et al.
patent: 4457470 (1984-07-01), Hauger et al.
patent: 4565323 (1986-01-01), Berkan
patent: 4632312 (1986-12-01), Premo et al.
Burke Wallace R.
Nelson Irrigation Corporation
Vinson Brian N.
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