Demolition hammer

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning

Design Patent

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Design Patent

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D0447677

CLAIM:
The ornamental design for a demolition hammer, as shown and described.

REFERENCES:
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patent: D. 386379 (1997-11-01), Kasuya
patent: D. 395586 (1998-06-01), Arakawa et al.
patent: D. 409468 (1999-05-01), Uchida et al.
patent: 3053100 (1962-09-01), Luhm
patent: 4770254 (1988-09-01), Kominami

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