USD243697SExpiredUtility

Retaining wall stretcher

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Assignee: HILFIKER PIPE COPriority: May 2, 1975Filed: May 2, 1975Granted: Mar 15, 1977
Est. expiryMay 2, 1995(expired)· nominal 20-yr term from priority
Inventors:William K. Hilfiker
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PatentIndex Score
2
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a retaining wall stretcher, as shown.

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