USD500300SExpiredUtility
Digital recorder
Est. expiryMay 14, 2023(expired)· nominal 20-yr term from priority
Inventors:Shigekazu Sakuma
36
PatentIndex Score
7
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a digital recorder, as shown and described.
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