USD347462SExpiredUtility

Water purification unit

65
Assignee: H T MFG INCPriority: Feb 21, 1992Filed: Feb 21, 1992Granted: May 31, 1994
Est. expiryFeb 21, 2012(expired)· nominal 20-yr term from priority
Inventors:John H. Douglas
65
PatentIndex Score
14
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a water purification unit, as shown and described.

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