USD347285SExpiredUtility
Retaining wall building block
Assignee: ST LOUIS RETAINING WALL CO INCPriority: Jun 18, 1992Filed: Jun 18, 1992Granted: May 24, 1994
Est. expiryJun 18, 2012(expired)· nominal 20-yr term from priority
Inventors:Mark Woolbright
44
PatentIndex Score
6
Cited by
37
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for retaining wall building block, as shown and described.
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