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Casing Spear

Description: Patent for casing spears. This invention is designed for pulling well tubes or casings that have broken off out of the well. Illustration included.
Date: August 25, 1908
Creator: Carroll, Monroe W. & Johnston, H. G.
Partner: UNT Libraries Government Documents Department

Heater.

Description: Patent for a heater powered by oil, which provides uniform heating of rooms, uses as little oil as possible to maintain heat, and does not get soot on objects in the room it is in.
Date: January 21, 1908
Creator: Callihan, Willie H.
Partner: UNT Libraries Government Documents Department

Bearing for Driving and Other Shafts.

Description: Patent for a bearing or other driving shafts which can be easily removed without harming the rest of the machine. Illustration is included.
Date: March 31, 1908
Creator: Wiggs, James A. Jr.
Partner: UNT Libraries Government Documents Department

Street-Pavement

Description: Patent for a street paving material made from limestone, limestone dust, and crude oil with layers of crushed rock in between which is waterproof and durable.
Date: June 9, 1908
Creator: Walsh, John M.
Partner: UNT Libraries Government Documents Department

Rotary Well-Boring Machine.

Description: Patent for a rotary well boring machine, which has flexible joints to adjust to varying conditions.
Date: March 31, 1908
Creator: Wiggs, James Alexander, Jr.
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner.

Description: Patent for a hydrocarbon burner for stoves, which stores and feeds the hydrocarbon to the stove.
Date: August 4, 1908
Creator: Callihan. Willie H.
Partner: UNT Libraries Government Documents Department

Fusible Plug.

Description: Patent for a fusible plug for steam boilers in trains that can be easily replaced without the boiler stopping its production.
Date: January 21, 1908
Creator: Hacker, Louis Paul
Partner: UNT Libraries Government Documents Department