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 |
| D570206 | Strap | 06/03/2008 |
| 7357364 | Mounting devices Support devices are adapted for use to releasably attach mounting items to structures constructed of brick, stone, concrete or cinder block, or other comparable materials. The devices have expander and support portions. The expander portion have two inter-fitting we... | 04/15/2008 |
| 7357520 | Image projection apparatus A projector comprising a directional light source, a lens disposed opposite the light source, and an image medium support assembly disposed between the light source and the lens along a light path that extends from the light source through the lens; a housing enclos... | 04/15/2008 |
| D562675 | Clip | 02/26/2008 |
| D562676 | Clip | 02/26/2008 |
| D562123 | Strap | 02/19/2008 |
| D549565 | Clip | 08/28/2007 |
| D547170 | Clip | 07/24/2007 |
| 7182472 | Image projection apparatus An image projection apparatus is provided which includes a projector, image source and reflective element. The reflective element is capable of being rotated by a mechanism housed within the reflective element. Light projected from the projector and through the imag... | 02/27/2007 |
| D536606 | Clip | 02/13/2007 |
| D536476 | Statuette light | 02/06/2007 |
| D531018 | Clip | 10/31/2006 |
| D530598 | Clip | 10/24/2006 |
| 7107691 | Electric knife adapted for safely carving pumpkins and other fruits and vegetables According to one embodiment of the present invention, an electric knife is provided that includes a blade that is adapted to cut the pulp and shell of pumpkins and other fruits and vegetables but not readily cut the skin and flesh of humans. According to a preferred... | 09/19/2006 |
| D487903 | Image projection apparatus | 03/30/2004 |
