USD433158SExpiredUtility
Retaining wall block
Est. expiryAug 31, 2019(expired)· nominal 20-yr term from priority
Inventors:Thomas Hammer
97
PatentIndex Score
78
Cited by
50
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design of a retaining wall block, as shown and described.
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