USD336225SExpiredUtility

Ratchet wrench

Assignee: LIN CHI-YEHPriority: Sep 27, 1991Filed: Sep 27, 1991Granted: Jun 8, 1993
Est. expirySep 27, 2011(expired)· nominal 20-yr term from priority
Inventors:Chi-Yeh Lin
74
PatentIndex Score
23
Cited by
12
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a ratchet wrench, as shown and described.

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