USD291448SExpiredUtility
Dual magnifying glass
Est. expiryJun 28, 2004(expired)· nominal 20-yr term from priority
Inventors:Wong Tai-Kam
62
PatentIndex Score
15
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a dual magnifying glass, as shown.
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