USD288571SExpiredUtility

Rear-projection lectern

38
Assignee: MINNESOTA MINING & MFGPriority: Apr 20, 1984Filed: Apr 20, 1984Granted: Mar 3, 1987
Est. expiryApr 20, 2004(expired)· nominal 20-yr term from priority
Inventors:Dennis F. Vanderwerf
38
PatentIndex Score
1
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a rear-projection lectern, as shown.

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