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All Patents of Type: pile drivers | |||||
Number | Date | Patentee | Title | Type | |
6X | Mar. 10, 1791 | J. Stone | Driving piles for bridges, etc. | pile drivers | |
GB-184,309,850 | Jul. 24, 1843 | J. Nasmyth | Improvements in machinery or apparatus for forging, stamping, and cutting iron and other substances; Machinery for driving piles | drop hammers | |
175,169 | Mar. 21, 1876 | J. Kohler, H.F. Roehrs | Pile-Drivers | pile drivers |