Sprinkler irrigation device

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Dispersal

Design Patent

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Details

Design Patent

active

D0469156

CLAIM:
The ornamental design for sprinkler irrigation device, as shown.

REFERENCES:
patent: 3744720 (1973-07-01), Meyer
patent: 4231522 (1980-11-01), Dreschsel
patent: 5622316 (1997-04-01), Dreschsel
patent: D416604 (1999-11-01), Drechsel

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