USD323275SExpiredUtility

Portable electric screw driver

85
Assignee: HITACHI KOKI KKPriority: Apr 7, 1989Filed: Apr 7, 1989Granted: Jan 21, 1992
Est. expiryApr 7, 2009(expired)· nominal 20-yr term from priority
Inventors:Yuichiro SasakiYoshiaki Adachi
85
PatentIndex Score
23
Cited by
7
References
1
Claims

Claims

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

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