USD325254SExpiredUtility

Ventilation unit

71
Assignee: TEKNOVENT OYPriority: Jun 22, 1989Filed: Dec 13, 1989Granted: Apr 7, 1992
Est. expiryJun 22, 2009(expired)· nominal 20-yr term from priority
Inventors:Matti Ruuskanen
71
PatentIndex Score
22
Cited by
6
References
1
Claims

Claims

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

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