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 |
| 6178566 | Transportable waste collection and treatment toilet system A toilet housing and waste collection and treatment system purify wastewater to a satisfactory level. When solid wastes are conveyed from individual toilets (31)-(33) into an active circulation chamber (16) in a toilet housing (10), the solid wastes are s... | 01/30/2001 |
| 4958806 | Snowstorm guard fence structures and jet roofs A snowstorm guard fence structure is constructed by anchoring a wall, which overhangs at an upward slope to a road side, to a supporting wall disposed along one side of the road. The constructed structure can be placed on sides of roads, has a space to di... | 09/25/1990 |
