Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 6058970 | Refueling vapor recovery system with differential pressure valve A fuel vapor control apparatus halts deterioration in operating characteristics of a fuel control valve at the time of fuel supply and prevents fuel vapor from being discharged into the atmosphere through a filler pipe. The fuel vapor control apparatus pr... | 05/09/2000 |
| 4291836 | Intermittent water-supply system Apparatus for intermittently supplying a predetermined quantity of water at regular, predetermined intervals comprising: a water tank for accumulating and storing water; water feeding means and inlet valve means; float-actuated valve means within said wat... | 09/29/1981 |
| 4156127 | Electric heating tube A heating tube adapted to electrically heat a fluid carried therethrough includes an inner tubular layer of polytetrafluoroethylene, a second tubular layer surrounding the inner layer and being formed of a homogeneous mixture of polytetrafluoroethylene an... | 05/22/1979 |
