USD437758SExpiredUtility

Rotary driving tool

76
Assignee: CHOON NANG ELECTRICAL APPLIANCES MFY LTDPriority: Jan 11, 2000Filed: Jun 5, 2000Granted: Feb 20, 2001
Est. expiryJan 11, 2020(expired)· nominal 20-yr term from priority
Inventors:Ping Hay Heun
76
PatentIndex Score
24
Cited by
22
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a rotary driving tool, as shown and described.

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