...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 7440772 | Audio system and method An audio system and method are disclosed. A method incorporating teachings of the present disclosure may include, for example, making a user interface available to a user. In practice, the user may indicate a desire to download a content file by selecting a link on ... | 10/21/2008 |
| 7062225 | Pedometer system and method of use A pedometer system and method of use are disclosed that assist a user in monitoring an athletic endeavor. A system that incorporates teachings of the present disclosure may include, for example, a pedometer housing component at least partially defining an enclosure.... | 06/13/2006 |