USD425082SExpiredUtility
Four roller concrete finishing machine
Est. expiryMar 26, 2019(expired)· nominal 20-yr term from priority
Inventors:John P. Cunningham
34
PatentIndex Score
2
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a four roller concrete finishing machine, as shown and described.
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