USD311768SExpiredUtility
Water filter valve
Est. expiryJun 7, 2008(expired)· nominal 20-yr term from priority
Inventors:Keith F. Woodruff
78
PatentIndex Score
16
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a water filter valve, as shown and described.
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