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Quartz crystal

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Assignee: SUGAMA KAZUYOSHIPriority: Nov 6, 2009Filed: May 4, 2010Granted: Feb 7, 2012
Est. expiryNov 6, 2029(~3.3 yrs left)· nominal 20-yr term from priority
Inventors:Kazuyoshi Sugama
35
PatentIndex Score
2
Cited by
39
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for quartz crystal, as shown and described.

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