USD417764SExpiredUtility

Trench shield handling assembly

37
Assignee: EFFICIENCY PRODUCTION INCPriority: Mar 19, 1996Filed: Mar 19, 1996Granted: Dec 14, 1999
Est. expiryMar 19, 2016(expired)· nominal 20-yr term from priority
Inventors:Luther Bradford Barringer
37
PatentIndex Score
4
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
I claim the ornamental design for trench shield handling assembly, as shown.

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