USD313589SExpiredUtility

Hand operated computer display control

61
Assignee: MICROSPEED INCPriority: Jul 24, 1987Filed: Jul 24, 1987Granted: Jan 8, 1991
Est. expiryJul 24, 2007(expired)· nominal 20-yr term from priority
Inventors:John K. MartinelliTimothy C. Barry
61
PatentIndex Score
10
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a hand operated computer display control, as shown and described.

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