Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment
Design Patent
1999-12-16
2001-01-23
Taylor, Robin V. (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Design Patent
active
D0436647
CLAIM:
The ornamental design for a propeller for agitating liquids, as shown.
REFERENCES:
patent: D. 291911 (1987-09-01), Fries
patent: D. 341608 (1993-11-01), Gries
patent: 2578805 (1951-12-01), Johnson
patent: 5152606 (1992-10-01), Borraccia et al.
Etschel Helmut
Sporl Helmut
EMU Unterwasserpumpen GmbH
Schweitzer Cornman Gross & Bondell LLP
Taylor Robin V.
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