USD337499SExpiredUtility

Portable electric grinder

77
Assignee: HITACHI KOKI KKPriority: Feb 15, 1991Filed: Aug 8, 1991Granted: Jul 20, 1993
Est. expiryFeb 15, 2011(expired)· nominal 20-yr term from priority
Inventors:Naoki MatsunagaYuichiro Sasaki
77
PatentIndex Score
18
Cited by
4
References
1
Claims

Claims

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

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