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 |
| 6276280 | Elevated train track support device An elevated toy train track is formed from multiple platform sections (12, 14, 16, 18) and a stabilizing ring (48) that are attachable together to form a ring-like structure (10). Each platform section has at least two lateral sides (34, 36), where one la... | 08/21/2001 |
| 6198196 | Method and device for compensating for magnetic pull in a discoidal machine An electrical machine with a discoidal structure comprising rotor and stator discs disposed coaxially and having at least two axial air gaps between the rotor and stator discs. The widths of the axial air gaps are measured and sent to a control unit for b... | 03/06/2001 |
| 5698913 | Outer-rotor type electric rotary machine and electric motor vehicle using the machine An outer-rotor type electric rotary machine comprises a shaft fixed to a stationary unit, a motor stator, a motor rotor, a cylindrical rotor frame, and first and second brackets attached to rotary members, respectively. At least one of the first and secon... | 12/16/1997 |
| 5597639 | High softness embossed tissue The perceived softness of embossed tissue can be increased greatly while avoiding nesting when a particular pattern is embossed into the tissue. This pattern combines relatively shallow stitchlike bosses with deeper more sharply defined signature bosses. ... | 01/28/1997 |
