Quotables
"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 5449883 | Continuous heat treatment system of semiconductor wafers for eliminating thermal donor A heat treatment system is fabricated from a loading section, a heat treatment section and a outlet section integrated with one another, and the heat treatment section comprises a transfer mechanism provided between the loading section and the outlet sect... | 09/12/1995 |
| 5239612 | Method for resistance heating of metal using a pyrolytic boron nitride coated graphite boat A method of resistance heating using a graphite container having a graphite body and a pyrolytic boron nitride coating in which a metal charge of predetermined weight is deposited over the coating and the container is heated by the application of a variab... | 08/24/1993 |
| 4470849 | Method and device for the calcination of finely grained to dust-form material, particularly of comminuted raw material to be used in the manufacture of cement A method and mechanism for heat treating a pulverulent comminuted raw material in the process of making cement including preheating the material, passing the material through a first reaction zone, supplying a first fuel supply to the first zone for suppl... | 09/11/1984 |
| 4076492 | Electronic dryer An electronic dryer for grain or other materials which includes a gas burner and one or more blowers for providing heated air into a plenum chamber from which such heated air passes through the material to be dried between two spaced walls formed with ope... | 02/28/1978 |
