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 |
| 5211169 | Blood pool imaging and analysis technique using ultrasound A blood pool imaging and analysis technique and apparatus uses ultrasound to examine areas of interest within the human body. The Doppler effect is used to determine the velocity of blood and tissue movement. Color flow imaging is used to display the movi... | 05/18/1993 |
| 5152290 | Method for recording ultrasound images to diagnose heart and coronary artery disease Heart performance is evaluated by collecting ultrasound images of at least one chamber of the heart of a patient after peak exercise. The images are subsequently displayed and analyzed to determine the presence and degree of heart disease, such as coronar... | 10/06/1992 |
