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"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 |
| 7210543 | Reversible power takeoff driven post hole digger A reversible post hole digger apparatus powered by a power takeoff shaft includes a transmission providing a reverse gear and a forward gear in a single housing. The apparatus has a power head disposed between a shaft connected to the power takeoff and an output sha... | 05/01/2007 |
| 4324010 | Drive unit for adjustable beds A drive unit for adjustable beds, such as hospital beds and the like, of the type which have movable head and foot sections, and/or other adjustment functions, comprises a single, unidirectional, rotary motor, and a drive shaft for each adjustable bed fun... | 04/13/1982 |
