USD307050SExpiredUtility

Aroma diffuser unit

87
Assignee: ENVIRONMENTAL FRAGRANCE TECH LTDPriority: Jun 12, 1987Filed: Jun 12, 1987Granted: Apr 3, 1990
Est. expiryJun 12, 2007(expired)· nominal 20-yr term from priority
Inventors:Dov Z. GlucksmanJorg Ratzlaff
87
PatentIndex Score
27
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an aroma diffuser unit, as shown.

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