USD453793SExpiredUtility

Synchronous learning device

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Assignee: BCOM ELECTRONICS INCPriority: Dec 5, 2000Filed: Dec 5, 2000Granted: Feb 19, 2002
Est. expiryDec 5, 2020(expired)· nominal 20-yr term from priority
Inventors:Andrew Anzhou Hou
55
PatentIndex Score
12
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5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a synchronous learning device, as shown and described.

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