USD438622SExpiredUtility

Tooth whitening device

69
Assignee: BRITESMILE INCPriority: Jan 19, 1999Filed: Jan 19, 1999Granted: Mar 6, 2001
Est. expiryJan 19, 2019(expired)· nominal 20-yr term from priority
Inventors:Shu Kun Chang
69
PatentIndex Score
15
Cited by
2
References
1
Claims

Claims

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

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