USD335702SExpiredUtility

Electronic ozonation unit

36
Assignee: INFORMATION SCAN TECH INCPriority: Jul 2, 1991Filed: Jul 2, 1991Granted: May 18, 1993
Est. expiryJul 2, 2011(expired)· nominal 20-yr term from priority
Inventors:Richard Chang
36
PatentIndex Score
4
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electronic ozonation unit, as shown and described.

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