UNT Libraries Government Documents Department - 3 Matching Results
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- Road Grader and Scraper.
- Patent for a road grader and scraper, which is drawn by a traction engine.
- Trap-Gun.
- Patent for a trap gun, which is placed in a trap and fires when bait is disturbed which will only go off when the bait is tampered with and can turn to follow an animals movements in the trap.
- Well-Drilling Apparatus.
- Patent for a well drilling apparatus, which is light and strong and easily transported.