USD326043SExpiredUtility

Electric screw driver

78
Assignee: HITACHI KOKI KKPriority: May 19, 1989Filed: May 19, 1989Granted: May 12, 1992
Est. expiryMay 19, 2009(expired)· nominal 20-yr term from priority
Inventors:Hideaki HasegawaFumio TashimoShigehisa HaguraKazuyuki TuburayaMasaru Oda
78
PatentIndex Score
18
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a electric screw driver, as shown.

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