UNT Libraries Government Documents Department - 7 Matching Results

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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).
Baling-Press: Patent for a baling press, designed so that the feeding and baling of cotton or straw is performed automatically, Illustrations included.
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.
Electric Clock: Patent for an electric clock. Illustration included.
Hydraulic Swivel: Patent for improvements in the construction and design of hydraulic swivels.
Hydraulic Swivel: Patent for a hydraulic swivel made to control back pressure and designed to be resistant to wear. Illustrations included.
Pneumatic Cotton Elevator and Distributer: Patent for a pneumatic cotton elevator and distributer. Illustration included.