...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 |
| 4724781 | Spreading and laying machine for speed nursery strip A machine suitable for use in spreading and laying a seed mursery strip, especially, a lawn nursery strip over the ground is equipped with means for spreading and laying the seed nursery strip over the ground; means for firming the thus-laid seed nursery ... | 02/16/1988 |