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Cleaning Apparatus.

Description: Patent for a simple, inexpensive, and compact cleaning apparatus that tends to a variety of receptacles and dishes.
Date: October 10, 1916
Creator: Peña, Max & Cruz, Patricio
Partner: UNT Libraries Government Documents Department

Lens-Holder.

Description: Patent for a lens holder meant to provide a "simple, relatively inexpensive and efficient means" (line 10) of securing the lens in the headlamps of an automobile or similar lamp casing.
Date: April 13, 1920
Creator: Marshall, Stanley G.
Partner: UNT Libraries Government Documents Department
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