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...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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Class 73/858 - Winding drum or roller type


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein a portion of the specimen is wound
No. of patents: 1
Last issue date: 05/13/1997


NumberTitleIssue Date
5629487Deflecting roller for sensing the distribution of stress along the roller
A deflecting roller for sensing the distribution of stress along the roller while the roller deflects a strip of sheet material, and in particular, a deflecting roller having a plurality of stress sensors disposed around the roller such that the stress se...
05/13/1997
 
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