USD437760SExpiredUtility
Impact wrench
Est. expiryOct 5, 2019(expired)· nominal 20-yr term from priority
Inventors:Osamu Izumisawa
85
PatentIndex Score
32
Cited by
48
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an impact wrench, as shown and described.
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