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US Patent: 2,707,616
Boring Head for Horizontal Drills in Water Collecting Devices
Patentees:
Rudolf P. J. C. Schad (exact or similar names) - Mannheim, Karlsruhe Administrative District, Baden-Württemberg, Germany
Rolf J. Koch (exact or similar names) - Heidelberg-Rohrbach, Karlsruhe Administrative District, Baden-Württemberg, Germany

USPTO Classifications:
175/231, 175/424, 175/61, 175/62, 239/553.3, 239/DIG.1

Tool Categories:
specialty tools : well digging or drilling tools

Assignees:
Reuther Tiebau, G. m. b. H. - Mannheim, Karlsruhe Administrative District, Baden-Württemberg, Germany

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 10, 1954
Granted: May 03, 1955

Patent Pictures:
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