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 |
| 4092862 | Thermal gradient temperature sensor A temperature sensor and method for producing a remanent electrostatic image of a thermal gradient existing on the surface of an object are disclosed. The sensor includes a layer of poled, pyroelectric material that is employed as a medium on which the th... | 06/06/1978 |
| 4089927 | Strain sensor employing bi layer piezoelectric polymer A strain sensor and a method for producing a remanent electrostatic image of the strain gradient existing on the surface of an object are disclosed. The sensor includes a layer of poled, piezoelectric material that is employed as a medium on which the str... | 05/16/1978 |
| 4089034 | Machine and method for poling films of pyroelectric and piezoelectric material An apparatus and method for rapidly and continuously poling a film of polymeric material exhibiting at least one of pyroelectric and piezoelectric characteristics to yield a poled film having a high coefficient of at least one of pyroelectric and piezoele... | 05/09/1978 |
| 4067056 | Poling machine for continuous film of pyroelectric and/or piezoelectric material An apparatus and method for continuously poling a film of material exhibiting pyroelectric and/or piezoelectric characteristics are disclosed. The apparatus includes a drive for advancing the film, a hot poling roller, a cold fixing roller, and a pair of ... | 01/03/1978 |
