Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 4003356 | Vaporized fuel system for internal combustion engines A fuel system for providing fully vaporized, air-free gasoline to a carburetor of an internal combustion engine. The system includes an air-free liquid gasoline receptacle having means maintaining a liquid free space above the surface of liquid gasoline i... | 01/18/1977 |
