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Patent applications and USPTO patent grants for Wardoyo; Akhmadi.The latest application filed is for "bonding structure and bonding method for cemented carbide element and diamond element, cutting tip and cutting element for drilling tool, and drilling tool".
Patent | Date |
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Bonding structure and bonding method for cemented carbide element and diamond element, cutting tip and cutting element for drilling tool, and drilling tool Grant 8,147,573 - Yamamoto , et al. April 3, 2 | 2012-04-03 |
Bonding structure and bonding method for cemented carbide element and diamond element, cutting tip and cutting element for drilling tool, and drilling tool Grant 7,621,974 - Yamamoto , et al. November 24, 2 | 2009-11-24 |
Bonding structure and bonding method for cemented carbide element and diamond element, cutting tip and cutting element for drilling tool, and drilling tool App 20040094333 - Yamamoto, Kazuo ;   et al. | 2004-05-20 |
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