4 Matching Results

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Drag-Harrow.

Description: Patent for an improved drag harrow for plowing soil. "The primary objective of the invention is to provide a soil pulverizer in which a rotary grinding action is produced by the drawing of the apparatus across the soil" (lines 10-13).
Date: May 19, 1914
Creator: Kramer, Frank
Partner: UNT Libraries Government Documents Department

Internal Combusion System

Description: Patent for new and useful Internal-Combustion Engine. Improves the provision of an engine which the cylinder is provided with a semi-spherical upper end, fr the rotatable reception of similar shaped power cylinder carrying shell. Specification of letter patent with illustration. Serial number 789.146
Date: May 12, 1914
Creator: Clough, George G.
Partner: UNT Libraries Government Documents Department

Ticket-Holder.

Description: Patent for device to hold car tickets, and to administer these tickets one at a time.
Date: April 14, 1914
Creator: Wohl, Charles J.
Partner: UNT Libraries Government Documents Department

Saw-Tool.

Description: Patent for a saw tool comprised of a saw set and gage, including illustrations.
Date: May 26, 1914
Creator: Devini, John H.
Partner: UNT Libraries Government Documents Department
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