...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 |
| 5022122 | Combing machine The combing machine has at least one comber head which contains a continuously rotatable comb cylinder, a reciprocating nipper jaw unit and at least one detaching roller. The detaching roller is rotated during every revolution of the comb cylinder at firs... | 06/11/1991 |
| 4958413 | Drive mechanism for a feed roll of a combing machine The drive mechanism for the feed roll of a combing machine employs a freewheel having an inner member secured to the feed roll and a concentric outer member secured to the pivotal arm which mounts the top nipper. In addition, locking elements are disposed... | 09/25/1990 |
| 4558491 | Combing machine for textile fibres A combing machine for textile fibres has a gill for combing a sliver of fibres, and at least two contrarotating tearing rollers for tearing successive tufts from the sliver of fibres as these are combed, the torn tufts being partially superimposed on each... | 12/17/1985 |
| 4028776 | Swinging intermittent drive revolving clearer An intermittent drive revolving clearer for drafting rollers that moves to avoid the motion of a top comb thereby permitting continuous cleaning of the drafting rollers resulting in high efficiency cleaning and improved yarn quality. A knife edge removes ... | 06/14/1977 |