USD301300SExpiredUtility

Portable electric screw driver

Assignee: HITACHI KOKI KKPriority: Dec 21, 1987Filed: Dec 21, 1987Granted: May 30, 1989

Est. expiryDec 21, 2007(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a portable electric screw driver, as shown.

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