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 |
| 5842481 | Portable cigar tray A cradle or tray for holding a lit tobacco product having a V-shaped tray made of aluminum using 90 degree angle stock approximately 1/16 inch thick. A support arm made of a series of plastic link connected at one end to the tray and at its opposite end t... | 12/01/1998 |
