USD336751SExpiredUtility

Drawing board

55
Assignee: HOP LEE CHEONG IND COPriority: Feb 19, 1992Filed: Feb 19, 1992Granted: Jun 22, 1993
Est. expiryFeb 19, 2012(expired)· nominal 20-yr term from priority
Inventors:Kai-Shun Mak
55
PatentIndex Score
9
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a drawing board, as shown and described.

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