USD258379SExpiredUtility
Well pipe spacer
Est. expiryAug 15, 1998(expired)· nominal 20-yr term from priority
Inventors:Charles A. Joseph
65
PatentIndex Score
10
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a well pipe spacer, as shown and described.
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