UNT Libraries Government Documents Department - 2 Matching Results
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- Cleaning Apparatus.
- Patent for a simple, inexpensive, and compact cleaning apparatus that tends to a variety of receptacles and dishes.
- 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.