USD476656SExpiredUtility

Optical mark reader housing

35
Assignee: RENAISSANCE LEARNING INCPriority: Sep 4, 2001Filed: Sep 4, 2001Granted: Jul 1, 2003
Est. expirySep 4, 2021(expired)· nominal 20-yr term from priority
Inventors:Mark R. SwansonGary Friederichs
35
PatentIndex Score
3
Cited by
36
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an optical mark reader housing, as shown and described.

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