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Cleaning Apparatus.
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
System:
The Portal to Texas History
Lens-Holder.
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.
System:
The Portal to Texas History