Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Dispersal
Patent
1997-07-11
1998-03-31
Douglas, Alan P.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Dispersal
2301
Patent
active
D03930483
REFERENCES:
patent: D98259 (1936-01-01), Kramer
patent: D186646 (1959-11-01), Lockett
patent: D263331 (1982-03-01), Parker
Sherman catalog; Item #143-C Power Sweeper nozzle, 1987.
Sherman Lawn and Garden catalog; SN-143C Power Sweeper; p. 12, 1996.
Douglas Alan P.
Taylor Robin V.
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