USD402348SExpiredUtility
Device to remove sulfur from water systems
Individually held — no corporate assignee on recordPriority: Mar 20, 1997Filed: Mar 20, 1997Granted: Dec 8, 1998
Est. expiryMar 20, 2017(expired)· nominal 20-yr term from priority
Inventors:Henry Dickinson
10
PatentIndex Score
0
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a device to remove sufur from water systems, as shown.
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