USD357058SExpiredUtility

Water purification unit

90
Assignee: VORTEX CORPPriority: Feb 24, 1994Filed: Feb 24, 1994Granted: Apr 4, 1995
Est. expiryFeb 24, 2014(expired)· nominal 20-yr term from priority
Inventors:Rolf Engelhard
90
PatentIndex Score
35
Cited by
16
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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