USD289769SExpiredUtility
Folding rear projection slide viewer
Est. expirySep 28, 2004(expired)· nominal 20-yr term from priority
Inventors:Udo M. Geissler
62
PatentIndex Score
8
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4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a folding rear projection slide viewer, as shown and described.
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