Add to ORKGPatent for a canal or ditch digging machine that has a carriage and a mechanism that draws the carriage across the ground, and a boring-tool beneath the carriage. The boring-tool can bore at an adjustable angle
Patent for a new and improved post hole digger. This design has "the combination of the head, consis...
Patent for "a machine chiefly adapted for making or grinding molding bits or knives with either a st...
Patent for a new design of post hole digger, with a single overlapping metal blade formed into a cir...
Patent for "a machine for digging ditches or trenches of any desired depth or width, for purposes of...
Patent for "an improved machine for making ditches and other excavations, which shall be so construc...
Patent for an improved ditching machine design that will "easily and rapidly cut or excavate, on the...
Patent for a new and improved ditching-machine. This design "consist[s] of the standards, block, han...
Patent for an improved, simple, effective, and durable excavator meant to remove sand-bars. It consi...
Patent for a mechanism that drills and bores; it attaches to a vehicle so the engine can be used to ...
Patent for a new and improved well-digging machine. This design "consists in connecting to the botto...
Patent for a machine for "opening ditches to drain land and form fences, and to grade railroads, &c....
Patent for a well-drilling apparatus that easily attaches drill-bits to the ends of drill-tubes with...
Patent for a new and improved boring machine. This design "consists in the construction and novel ar...
Patent for a soil-breaking machine that breaks soil, plows and grades, cuts clods, and other things....
Patent for a new and improved post-hole digger. This design consists in "the combination, with an an...
Patent for a new and improved post hole digger. This design has "the combination of the head, consis...
Patent for "a machine chiefly adapted for making or grinding molding bits or knives with either a st...
Patent for a new design of post hole digger, with a single overlapping metal blade formed into a cir...
Patent for "a machine for digging ditches or trenches of any desired depth or width, for purposes of...
Patent for "an improved machine for making ditches and other excavations, which shall be so construc...
Patent for an improved ditching machine design that will "easily and rapidly cut or excavate, on the...
Patent for a new and improved ditching-machine. This design "consist[s] of the standards, block, han...
Patent for an improved, simple, effective, and durable excavator meant to remove sand-bars. It consi...
Patent for a mechanism that drills and bores; it attaches to a vehicle so the engine can be used to ...
Patent for a new and improved well-digging machine. This design "consists in connecting to the botto...
Patent for a machine for "opening ditches to drain land and form fences, and to grade railroads, &c....
Patent for a well-drilling apparatus that easily attaches drill-bits to the ends of drill-tubes with...
Patent for a new and improved boring machine. This design "consists in the construction and novel ar...
Patent for a soil-breaking machine that breaks soil, plows and grades, cuts clods, and other things....
Patent for a new and improved post-hole digger. This design consists in "the combination, with an an...
Patent for a new and improved post hole digger. This design has "the combination of the head, consis...
Patent for "a machine chiefly adapted for making or grinding molding bits or knives with either a st...
Patent for a new design of post hole digger, with a single overlapping metal blade formed into a cir...