UNT Libraries Government Documents Department - 2 Matching Results
Search Results
- Automatic Break
- Patent for an automatic break that can be applied automatically when going down any kind of hill and would dissengage whenever the vehicle drives on a flat road or up a hill.
- Earth-Auger.
- Patent for an invention that "relates to an implement designed for boring earth, and may be used for well-boring and also for boring post-holes," (lines 11-13) including instructions and illustrations.