USD330497SExpiredUtility

Rechargeable screwdriver

62
Assignee: HSIN LIUPriority: May 21, 1990Filed: May 21, 1990Granted: Oct 27, 1992
Est. expiryMay 21, 2010(expired)· nominal 20-yr term from priority
Inventors:Liu Hsin
62
PatentIndex Score
19
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a rechargeable screwdriver, as shown.

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