UNT Libraries Government Documents Department - 2 Matching Results
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- Apparatus for Fusing Sulfer from Low Grade Ores
- Patent for the Apparatus for Fusing Sulfer from Low Grade Ores. This machine makes the extraction of sulfur from ores containing less than 20% sulfur, while also removing the impurities.
- Tread for Pneumatic Tires.
- Patent for an improvement in treads for pneumatic tires "to prevent excessive wear or puncture of the parts of the tire constituting the tread portion" (lines 12-14).