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 |
| 5125898 | Disposable syringe with automatic needle retraction A disposable medicinal syringe including a tubular plunger from which air has been evacuated and a seal member releasably attached on the distal end of the plunger. The plunger is slidingly and sealingly disposed in the barrel of the syringe. A luer lock ... | 06/30/1992 |
| 5000736 | Disposable syringe with automatic needle retraction A medicinal syringe including a tubular plunger from which air has been evacuated and a seal member releasably attached on the distal end of the plunger. Upon application of a predetermined longitudinal axial force to the seal member, the attachment betwe... | 03/19/1991 |
