USD492952SExpiredUtility
Watch winding machine
Est. expiryJul 11, 2023(expired)· nominal 20-yr term from priority
Inventors:Tze Sing Siu
44
PatentIndex Score
6
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a watch winding machine, as shown and described.
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