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Piston-Rod Packing.

Description: Patent for a piston packing device to decrease the wear on pistons in oil pumps.
Date: December 31, 1907
Creator: Martin, Robert Edward Lee
Partner: UNT Libraries Government Documents Department

Door Stop and Lock.

Description: Patent for a door lock and door stop that is operated from the doorknob by having a rod with a bolted door stop box on the bottom inserted into the door frame.
Date: April 9, 1907
Creator: Tatum, Cicero James
Partner: UNT Libraries Government Documents Department

Railway-Switch

Description: Patent for a railway switch. Illustrations included.
Date: July 9, 1907
Creator: Collier, William Reid
Partner: UNT Libraries Government Documents Department

Tubular Tank Inspector And Gage

Description: Patent for a tubular tank inspector and gage. This invention is designed for the measuring level of fluids in the tank. Illustration included.
Date: April 2, 1907
Creator: Gregson, William
Partner: UNT Libraries Government Documents Department

Rotary Drilling Apparatus.

Description: Patent for a rotary drilling mechanism for drilling wells, which has better vertical movement than other models.
Date: August 13, 1907
Creator: Wiggs, James A., Jr.
Partner: UNT Libraries Government Documents Department

Hand Device For Operating Sewing Machines

Description: Patent for a hand device for operating sewing machines. This invention relates to hand driven sewing machines. Illustrations included.
Date: February 12, 1907
Creator: Rapier, Mildred J.
Partner: UNT Libraries Government Documents Department

Polishing-Machine

Description: Patent for a metal polisher. Illustrations included.
Date: December 10, 1907
Creator: Nichols, Charlie M.
Partner: UNT Libraries Government Documents Department

Injector-Burner

Description: Patent for an injector burner which "consumes a mixture of oil and steam" (lines 10-11). Illustrations included.
Date: August 27, 1907
Creator: Wiggs, James A., Jr.
Partner: UNT Libraries Government Documents Department

Saw Filing Machine

Description: Patent for a saw filing machine. This invention is designed to allow the teeth of saws to be sharpened with a reciprocatory file. Illustration included.
Date: January 29, 1907
Creator: Tatum, Cicero J. & Dunn, Lemuel E.
Partner: UNT Libraries Government Documents Department

Nut-Lock.

Description: Patent for a nut-lock that holds the nut more securely in place than previous ones. Used primarily in railroad joints, but can be used in a variety of other applications.
Date: February 19, 1907
Creator: Baldwin, John H.
Partner: UNT Libraries Government Documents Department

Well-Bailing Apparatus

Description: Patent for specifications of Well Bailing Apparatus.
Date: August 27, 1907
Creator: Carroll, Monroe. W.
Partner: UNT Libraries Government Documents Department