"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 |
| 5205695 | Refuse storage equipment A refuse storage equipment for temporary storage and timely discharge of refuse which includes a storage tank having a refuse charging hopper at its top and a refuse discharge port at its bottom and a plurality of dampers adapted to divide the space withi... | 04/27/1993 |
| 5127344 | Incinerator and incinerating method employing the same An incinerator for combustion of general refuse and industrial wastes having a pair of ash discharge plates and a pair of refuse supporting plates. The ash discharge plates are disposed at the bottom of a furnace in such a manner that it can be freely ope... | 07/07/1992 |
| 5020453 | Vertical incinerator A vertical incinerator for burning general refuses and industrial wastes which comprises a plurality of sets of grates disposed at different levels within a furnace to divide the furnace into a plurality of combustion chambers in such a manner that the re... | 06/04/1991 |