UNT Libraries Government Documents Department - 3 Matching Results
Search Results
- Motor-Driven Impliment
- Patent for a motor-driven farming tool that can be used as a cultivator, planter, or plow. Illustrations included.
- Photographic-Printing Machine
- Patent for a new and improved Photographic Printing Machine. The device allows for accurately positioning negative to contact accurately with printing paper.
- Rail Joint
- Patent for improvements in rail joints that use fish plates