Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 5011022 | Cyclic flow slurry fractionation Apparatus and methods are disclosed for separating or fractionating particles of differing sedimentation rates in a fluid. For fractionation, the mixture is introduced into a tube and subjected to a cyclic sequence of alternating axial flows, with optiona... | 04/30/1991 |
