US Patent 7740520 Apparatus for processing chamfering of eyeglass lens
Is a
Date Filed
March 27, 2006
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Date of Patent
June 22, 2010
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Patent Application Number
11389932
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Patent Inventor Names
Yoshiyuki Hatano
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Takeshi Nakamura
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Takumi Uchiyama
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Yasuhiko Kusaka
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Kenichi Watanabe
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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