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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| Application No. | Application Title | Issue Date |
| 20110173774 | Rug Anti-slip Device A Rug Anti-slip Device. The device includes a pin-shaped element that has a sharpened tip end for poking through a mat and into the underlying carpet. The device further has a handle tab made from plastic or other suitably durable and aesthetically pleasing material. Th... | 07/21/2011 |
| 20070119018 | Button tool A button tool is adapted to assist a person fastening a button through a button hole. The tool includes a handle, a button hook, and a button hole spreader. In one configuration, the handle includes four longitudinally disposed ribs with one of the ribs functioning as a... | 05/31/2007 |
| 20050155178 | Universally attachable step rug A rug for use on a step of a depth less than the width of the rug includes sets of male and female snap locks for engaging an edge of the rug to the surface of the step. Similar sets of snap locks are attached to an opposed edge of the rug for attachment to a riser supp... | 07/21/2005 |
