Did You Know...
...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 |
| D559058 | Resurfacing tool | 01/08/2008 |
| D542036 | Dual headed device | 05/08/2007 |
| 7179152 | Composition suitable for application to human skin An apparatus including an applicator having a first end for mating with a device capable of manipulation by a human hand and a second end having an abrasive surface suitable for contacting areas of human skin, such as, to rejuvenate human skin. There may also be a c... | 02/20/2007 |
| 6652888 | Method for skin rejuvenation with buffing cream A cream moisturizer for resurfacing human skin is provided with a suspension of microcrystals of alumina (Al2 O3) in a ratio of approximately 14 grams per ounce of moisturizer cream. The cream moisturizer is buffed into the epidermal... | 11/25/2003 |
