USD327912SExpiredUtility

Marking pen

79
Assignee: TSAI CHAN-YUANPriority: Aug 20, 1990Filed: Aug 20, 1990Granted: Jul 14, 1992
Est. expiryAug 20, 2010(expired)· nominal 20-yr term from priority
Inventors:Chan-Yuan Tsai
79
PatentIndex Score
44
Cited by
8
References
1
Claims

Claims

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

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