USD332208SExpiredUtility

Portable electric driver drill

92
Assignee: RYOBI LTDPriority: May 25, 1990Filed: Oct 30, 1990Granted: Jan 5, 1993
Est. expiryMay 25, 2010(expired)· nominal 20-yr term from priority
Inventors:Masakazu SakamotoNaoki Kikuchi
92
PatentIndex Score
39
Cited by
8
References
1
Claims

Claims

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

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