ET

Ernst Topf

T& Tbt Tiefbohrtechnik Gmbh &: 1 patents #4 of 7Top 60%
📍 Oberboihingen, DE: #21 of 36 inventorsTop 60%
Overall (All Time): #3,314,955 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7476066 Drilling device provided with a multi-bladed drilling tool, especially a deep drilling tool 2009-01-13