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Trolley-Pole.

Description: Patent for a trolley pole, which is extendable and contractible.
Date: March 3, 1908
Creator: Bouchard, Henry
Partner: UNT Libraries Government Documents Department

Heating or Cooking Stove

Description: Patent for a heating or cooking stove.
Date: March 3, 1903
Creator: Spiller, Phillip Samuel & Haldeman, Horace P.
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for a cotton chopper with two independently operated plows on the front.
Date: November 3, 1908
Creator: Ferriott, Charles L.
Partner: UNT Libraries Government Documents Department

Generating Oil-Burner.

Description: Patent for improvements in “generating oil-burners” by connecting a combination of tubes, pipes and casings to direct and regulate the oil flows to the burner. It can also control the amount of steam to be discharged to properly effect the burning of the oil. Illustration is included.
Date: March 3, 1903
Creator: Spiller, Philip Samuel
Partner: UNT Libraries Government Documents Department

Combined Concentrator, Amalgamator, and Separator

Description: Patent for improvements to a Combined Concentrator, Amalgamator, and Separator used for ore and gravel.
Date: December 3, 1901
Creator: Journeay, William O.
Partner: UNT Libraries Government Documents Department
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