Door knob adapter

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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D0624801

CLAIM:
The ornamental design for a door knob adapter, as shown and described.

REFERENCES:
patent: 70368 (1867-10-01), Schultz
patent: D28918 (1898-06-01), Mulherin
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patent: 5711557 (1998-01-01), Nicolosi
patent: D405344 (1999-02-01), Peabody

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