USD332040SExpiredUtility

Drill chuck

51
Assignee: RYOBI MOTOR PRODUCTS CORPPriority: May 21, 1990Filed: May 21, 1990Granted: Dec 29, 1992
Est. expiryMay 21, 2010(expired)· nominal 20-yr term from priority
Inventors:Kiyoshi HoshinoJames B. Watson
51
PatentIndex Score
6
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design of a drill chuck, as shown.

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