UNT Libraries Government Documents Department - 2 Matching Results
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- Chain-Tightening Tool
- Patent for a tool for tightening automobile wheel chains that is "simple in construction and may be manufactured at a comparatively low cost" (lines 14-16).
- Submarine-Destroyer.
- Patent for submarine destroyer that is a projectile of the harpoon type adapted to be dropped from an aeroplane with the purpose to destroy a submarine or other vessel.