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Hand-held device
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Patent number 5,954,457
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Issue date Sep 21, 1999
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Hilti Aktiengesellschaft
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Maximilian Stock
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Hand-held device
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Patent number 5,879,111
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Issue date Mar 9, 1999
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Hilti Aktiengesellschaft
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Maximilian Stock
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Twist drill
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Patent number 5,492,187
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Issue date Feb 20, 1996
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Hilti Aktiengesellschaft
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Axel Neukirchen
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E21 - EARTH DRILLING MINING
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Tool bit for machining materials
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Patent number 5,271,696
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Issue date Dec 21, 1993
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Hilti Aktiengesellschaft
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Maximilian Stock
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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