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Elevated Electric-Car Line.

Description: Patent for certain new and useful improvements in elevated electric car lines, including instructions and illustrations.
Date: December 26, 1899
Creator: Cooley, Joe H.
Partner: UNT Libraries Government Documents Department

Rubber-Extracting Machine

Description: Patent for a machine that extracts rubber from plants. Illustrations included.
Date: May 26, 1908
Creator: Kirk, Seth
Partner: UNT Libraries Government Documents Department

Harrow Attachment for Cultivators.

Description: Patent for an improved harrow attachment for cultivators that can be easily and quickly removed or attached and which allows soil to be worked after rain when it would otherwise be too moist. Includes illustrations.
Date: September 26, 1911
Creator: Stevens, Charles P.
Partner: UNT Libraries Government Documents Department

Combined Registering and Denoting Device and Label-Holder.

Description: Patent for a combined registering and denoting device and label holder for use in stores to keep track of how many items are sold and what is left in stock.
Date: December 26, 1911
Creator: Parten, Wilbur
Partner: UNT Libraries Government Documents Department
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