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 |
| 7284584 | Laterally installing wheel A laterally installing wheel including a rim in which a rim main portion and a side ring are disconnectably coupled to each other at a coupling portion of the rim main portion and the side ring, wherein the coupling portion is constructed such that a gap between the... | 10/23/2007 |
| 4083126 | Studded boots for firefighters A boot with studs built into the sole and heel sections to afford the wearer maximum traction in snow, sleet and ice thereby preventing slippage and possible injury to the wearer during execution of required duties.... | 04/11/1978 |
| 3971425 | Process and device for automatic regulation of the internal pressure in a pneumatic tire The present invention relates to a process and device for the automatic regulation of the internal pressure in a pneumatic tire characterized in that the air is forced into the pneumatic chamber of a tire by the centrifugal force generated by the revoluti... | 07/27/1976 |
