USD397451SExpiredUtility
Section of a retaining wall with plantable blocks
Assignee: KEYSTONE RETAINING WALL SYSTEMS INCPriority: Jun 10, 1997Filed: Jun 10, 1997Granted: Aug 25, 1998
Est. expiryJun 10, 2017(expired)· nominal 20-yr term from priority
Inventors:J. Michael Stevenson
87
PatentIndex Score
50
Cited by
33
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a section of a retaining wall with plantable blocks, as shown and described.
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