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Single-lip deep hole drill
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Patent number 10,265,781
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Issue date Apr 23, 2019
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Botek Praezisionsbohrtechnik GmbH
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Juergen Deeg
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Single-lip drill
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Patent number 9,669,474
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Issue date Jun 6, 2017
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Botek Praezisionsbohrtechnik GmbH
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Juergen Wenzelburger
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Single-lip drill
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Patent number 9,421,621
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Issue date Aug 23, 2016
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Botek Praezisionsbohrtechnik GmbH
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Juergen Wenzelburger
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Guide pad
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Patent number 9,358,620
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Issue date Jun 7, 2016
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Botek Praezisionsbohrtechnik GmbH
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Karl-Heinz Wenzelburger
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR