USD322198SExpiredUtility

Portable cooler

88
Assignee: DRINGENBURG DEAN HPriority: Aug 21, 1989Filed: Aug 21, 1989Granted: Dec 10, 1991
Est. expiryAug 21, 2009(expired)· nominal 20-yr term from priority
Inventors:Dean H. Dringenburg
88
PatentIndex Score
39
Cited by
2
References
1
Claims

Claims

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

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