"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 5129995 | Pyrolysis process and apparatus A process and apparatus for the continuous pyrolitic decomposition of a feed material having an organic and an inorganic component and recovery of the inorganic component, carbon-free, for reuse in essentially the same material as from which it originally... | 07/14/1992 |