USD306578SExpiredUtility

Optical disk drive unit for electronic computer

67
Assignee: HITACHI LTDPriority: Jul 10, 1987Filed: Jul 10, 1987Granted: Mar 13, 1990
Est. expiryJul 10, 2007(expired)· nominal 20-yr term from priority
Inventors:Sumie IshikawaKenji YokoiMamoru Sumita
67
PatentIndex Score
16
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a optical disk drive unit for electronic computer, as shown and described.

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