Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 6756552 | Multi-pole conductive liquid-based switch device The multi-pole, conductive liquid-based switch device includes an elongate passage, a first cavity, a second cavity, at least four electrodes disposed along the length of the passage, channels that extend from the passage, non-conductive fluid located the cavities a... | 06/29/2004 |
| 5359162 | Shock sensor switch having a liquid conductor A shock sensor comprises a housing defining an interior space. The space includes a cylindrical side surface and an end surface, the surfaces being formed of an electrically conductive material. An insert is positioned in the space and includes an electri... | 10/25/1994 |
| 4493066 | Seismosensitive device A seismosensitive device comprises a hermetically sealed enclosure having a recess at the bottom, a first annular surface provided around the recess and having a radial gradient substantially of horizontal level and a second annular surface provided aroun... | 01/08/1985 |
| 4434337 | Mercury electrode switch In a mercury switch composed of a closed tubular glass envelope and at least one pair of electrodes extending through one end of the envelope and presenting terminals located within the region enclosed by the envelope and adjacent the one end thereof, the... | 02/28/1984 |
| 4138600 | Force-responsive device A device is disclosed which, in response to forces acting upon it, such as gravity, inertia, magnetic fields and the like, opens or closes electric circuits or otherwise generates signals which may be used to control predetermined functions.... | 02/06/1979 |
