Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7422228 | Sports board The invention is directed to a sports board (15). In the preferred embodiment, the board comprises an expanded polymer foam core (16), an extruded thermoplastic polymer outer layer (20) having an inner surface (21) and an outer surface ( | 09/09/2008 |
| 6938300 | Wheel assembly for a stroller A wheel assembly for a stroller includes a wheel with a rim that has two vertical side surfaces and a vertical central plane. A vertical pivot shaft is disposed within a mounting space in the wheel, is located in the central plane, and extends through a fixed seat t... | 09/06/2005 |
| 6607201 | Swivel wheel assembly with adjustable shock absorption A swivel wheel assembly includes a wheel axle, and a vehicle wheel rotatably mounted on the wheel axle. A shock-absorbing wheel fork is secured to opposite ends of the wheel axle and includes first and second elongated spaced-apart support arms. A pivot p... | 08/19/2003 |
| 4553774 | Vehicle suspension A beam axle is passed through 2 separated plates, one pair at each end. A stub axle also passes through the 2 plates at each end and is offset from the beam axle. The innovation is the location of a leaf spring between the plate and between the stub and b... | 11/19/1985 |
