...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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| Application No. | Application Title | Issue Date |
| 20100032332 | Portable Security Container with Tilt and Movement Detection System A device and method for protecting personal property. The device includes a tilt and movement detection system utilizing acceleration due to gravity and an alarm adapted to signal when the device has tilted or moved beyond a predetermined position from a reference point... | 02/11/2010 |