USD670990SActiveUtility

Manual sharpener for teeth of chain saws

Assignee: KRUSE BERNDPriority: May 7, 2010Filed: May 7, 2010Granted: Nov 20, 2012

Est. expiryMay 7, 2030(~3.8 yrs left)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a manual sharpener for teeth of chain saws, as shown and described.

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