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 |
| 4031318 | High fidelity loudspeaker system A high fidelity loudspeaker system involving a multidriver, semi-omnidirectional, full range, electrodynamic loudspeaker including two, separate but complementary, closed box-like enclosures, an upper unit containing an array of mid-range speakers around ... | 06/21/1977 |
| 4006311 | Stereophonic sound reproducing apparatus A loudspeaker combination comprises a rectangular casing having mounted on its top wall a midfrequency speaker and two or more high frequency speaker devices. The midfrequency speaker is oriented generally upwardly with an angle of declination of less tha... | 02/01/1977 |
| 4006308 | Loudspeaker arrangement A loudspeaker arrangement for radiating sound signals in an improved acoustical dispersion pattern includes mounting a plurality of speakers on a loudspeaker enclosure having a vertical axis. The speakers radiate sound signals in at least four directions ... | 02/01/1977 |
| 3933219 | Speaker system The system provides improved bass response and stereo effect with the use of a plurality of speakers that are preferably disposed in a unitary cabinet. If two woofer speakers are employed they are disposed at an angle to each other and are disposed relati... | 01/20/1976 |
