USD337431SExpiredUtility

Sewing thread holder

41
Individually held — no corporate assignee on recordPriority: Apr 8, 1991Filed: Aug 12, 1991Granted: Jul 20, 1993
Est. expiryApr 8, 2011(expired)· nominal 20-yr term from priority
Inventors:Wing K. Tong
41
PatentIndex Score
4
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a sewing thread holder, as shown.

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