USD502374SExpiredUtility
Hammer drill
Est. expiryApr 7, 2023(expired)· nominal 20-yr term from priority
Inventors:Hans-Peter Aglassinger
81
PatentIndex Score
24
Cited by
24
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a hammer drill, as shown and described.
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