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US D462,249 S1Granted
Keyless drill chuck
AssigneeTechtronic Industries Co. Ltd.
InventorsDaniel A. Chunn, Meily Siu Mei Chan, Felix Hei Shun Leung, Benson Chun Kit Cheung
Life of this patent
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Abstract
The abstract isn’t available for this document.
Claims1
The ornamental design for a keyless drill chuck, as shown and described.