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 |
| 4765274 | Method of mass producing an entomophagous insect The invention relates to a method for the mass production of an entomophagous insect such as Trichogramma maidis insect from a substitution host such as the egg of the meal moth Ephestia kuehniella, as well as a device for implementation of this method an... | 08/23/1988 |
