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Dielectric Separator

Description: Patent for an apparatus that "separates substances of different dielectric capacities" (lines 12-13). Illustrations included.
Date: May 19, 1908
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Partner: UNT Libraries Government Documents Department

Electrically-Operated Latch and Door

Description: Patent for electrically operated latch and door " and particularly to a construction for primarily operating a latch to release the door, the movement of which latch establishes circuit through a door-opening mechanism.(lines 11-15)
Date: May 19, 1903
Creator: Chambers, Joseph, Jr.
Partner: UNT Libraries Government Documents Department

Bed Spring.

Description: Patent for a new and improved bed-spring. This design consists in "the adjustable tie that connects the springs beneath the slats. This device is simple, cheap, convenient, and durable. It is adjustable to slats placed at different distances apart, and will remain in position when placed upon the slats, holding the diagonal rows of springs in a straight line, causing the springs to remain uniform all over the bed" (lines 72-80).
Date: May 19, 1885
Creator: Davis, Charles Robert
Partner: UNT Libraries Government Documents Department
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