"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 5192506 | Incubator port closure for automated assay system An automated assay system includes a temperature controlled chamber with a conveyor therein. The conveyor carries berths past a port in a sidewall of the chamber to permit insertion and extraction of assay cartridges via the port into respective ones of t... | 03/09/1993 |
| 4637327 | Stoking plant for fuel in whole bales A stoking plant for fuel in whole bales, where the bales are conveyed on a transport tract (8) from a store and stoked in the whole condition into one of a number of combustion furnaces (2) with boilers (1), comprises a slide-gate (10) through which a bal... | 01/20/1987 |
| 4299525 | Lug loader A tool is described for assisting in the endwise insertion of logs into a wood-burning stove. The tool includes a cradle in supporting a major portion of a log, the cradle being of a size to pass through the door opening of the stove. A handle extends fro... | 11/10/1981 |