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Benjamin; Joseph Reginald
London, W1X 2QU, EN
No. of patents:

Patent Number Title Of Patent Date Issued
4061233 Drilling rigs December 6, 1977
A drilling rig mounted on a bore inclined to the vertical in which transfer of drill strings from a store to the bore is effected on the low side of the rig.
4050590 Drilling rigs September 27, 1977
A drilling rig assembly mounted on a pile, the store for drill strings to be used in drilling being in the form of a carousel mounted concentric with the pile.

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