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Automatic Rotary Hydraulic Casing-Spear.
Patent for "new and useful Improvements in Automatic Rotary Hydraulic Casing-Spears" (lines 5-7) which "relates to improvements in well-boring apparatus" (lines 13-14).
Date:
December 26, 1905
Creator:
Johnston, Horace G.
System:
The Portal to Texas History
Boat
Patent for a sportsman boat. It can be lowered or raised in adjacent to the water level based on the intentions of the user.
Date:
December 26, 1905
Creator:
Richardson, William A.
System:
The Portal to Texas History