USD445121SExpiredUtility

Drainage device

9
Priority: Nov 3, 2000Filed: Nov 3, 2000Granted: Jul 17, 2001
Est. expiryNov 3, 2020(expired)· nominal 20-yr term from priority
Inventors:Stephen C Bonazzoli
9
PatentIndex Score
1
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a drainage device, as shown and described.

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