USD534153SExpiredUtility
Portable digital information recording/reproduction unit
Est. expiryJun 22, 2025(expired)· nominal 20-yr term from priority
Inventors:Masatomo Naruki
83
PatentIndex Score
30
Cited by
25
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a portable digital information recording/reproduction unit, as shown and described.Join the waitlist — get patent alerts
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