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DOWNHOLE ENERGY HARVESTING SYSTEM
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Publication number 20250003316
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Publication date Jan 2, 2025
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The Charles Machine Works, Inc.
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Klayton Day Jones
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E21 - EARTH DRILLING MINING
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Penetrating Cushion Damping Device
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Publication number 20240175324
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Publication date May 30, 2024
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SICHUAN AEROSPACE SYSTEM ENGINEERING INSTITUTE
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XINJIAN WANG
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E21 - EARTH DRILLING MINING
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PIERCING TOOL AIMING DEVICE
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Publication number 20220136335
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Publication date May 5, 2022
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The Charles Machine Works, Inc.
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Larry G. Morse
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E21 - EARTH DRILLING MINING
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Pipe Storage Box
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Publication number 20200386064
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Publication date Dec 10, 2020
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The Charles Machine Works, Inc.
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Max A. Metcalf
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E21 - EARTH DRILLING MINING
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Pipe Storage Box
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Publication number 20190338606
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Publication date Nov 7, 2019
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The Charles Machine Works, Inc.
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Max Allen Metcalf
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E21 - EARTH DRILLING MINING
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ELECTRICAL GROUNDING SYSTEMS
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Publication number 20190173203
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Publication date Jun 6, 2019
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GLXT HOLDINGS, LLC
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Thomas Evan LaBarge
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E21 - EARTH DRILLING MINING
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Directional Boring System
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Publication number 20180363379
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Publication date Dec 20, 2018
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Kelley Roberts
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E21 - EARTH DRILLING MINING
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Pipe Storage Box
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Publication number 20170159379
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Publication date Jun 8, 2017
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The Charles Machine Works, Inc.
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Max Allen Metcalf
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E21 - EARTH DRILLING MINING
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