USD500039SExpiredUtility
Twin-slots card reader
Est. expiryDec 31, 2023(expired)· nominal 20-yr term from priority
Inventors:Chun-Ming Chen
83
PatentIndex Score
29
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a twin-slots card reader, as shown and described.
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