Assignee

TELLUS UNDERGROUND TECH INC

US·1 granted patent·1 citations·filing 2019–2019

Technology mixE02F1 E21B1

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0153US10801265B1Combination coring machine and vacuum excavation rigTELLUS UNDERGROUND TECH INC·Filed 2019·Granted Oct 13, 2020·1 cites·21 claims

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