USD314498SExpiredUtility

Portable electric drill

91
Assignee: RYOBI LTDPriority: Jul 8, 1987Filed: Jan 4, 1988Granted: Feb 12, 1991
Est. expiryJul 8, 2007(expired)· nominal 20-yr term from priority
Inventors:Kiyoshi HoshinoShumi Akazawa
91
PatentIndex Score
34
Cited by
5
References
1
Claims

Claims

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

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