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Spark-Plug

Description: Patent for an improved spark plug assembly used in explosive engines allowing for easier cleaning of the electrodes while the motor is running, among other enhancements over contemporary spark plug design.
Date: April 27, 1915
Creator: Inman, John P. & Estes, Robert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Road-Machine.

Description: Patent for "a machine for resurfacing roads or preparing new roads" (lines 9-10). Machine includes an adjustable scraper to aid in leveling of the roadway and compresses the edges of the roads using drags or shoes. The machine is adaptable to aid in road construction "depending upon the nature and condition of the road's surface" (lines 16-17).
Date: October 24, 1916
Creator: Dean, William A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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