...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 |
| 7636752 | System and method for managing information and collaborating Disclosed is an information management and collaboration system and method for managing information flow in real time. A real time chat communication channel provides a link for users to interact in a customized setting. Users are provided with such customizable fea... | 12/22/2009 |