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 |
| 7275769 | Organizational system for removably mounting or permanently mounting on a surface The present invention is an organizational system, which includes filing pockets and writing surfaces and is designed to be either removably mounted on a surface using magnets or permanently attached to a surface via nails or tacks or otherwise. The invention allows... | 10/02/2007 |
| 7244222 | Apparatus for and method of positioning a slider on mating zipper elements An apparatus used in the manufacture of a thermoplastic zipper having a slider mounted thereon includes a pair of clamp arms disposed on opposing sides of a path of the zipper. The clamp arms are movable in directions substantially perpendicular to the zipper path s... | 07/17/2007 |
| 7163133 | Apparatus for and method of moving a slider along mating zipper elements A manufacturing apparatus, for moving sliders for opening and closing mating zipper elements along the mating zipper elements, includes a roller and a projection. The roller rotates about an axis substantially perpendicular with a path of a film including the mating... | 01/16/2007 |
| 5237727 | Adjustable cleaning of fibers in a spiralled air path and apparatus A method for enabling the cleaning of fibers in a fiber cleaning machine in which a cleaning stream moves tufts around a rotating cleaning cylinder, the tufts being cleaned and opened. The cleaning action can be adapted to fibers of varying origin and to ... | 08/24/1993 |
| 4369548 | Depither A fiber conditioner comprises an outer casing or enclosure and a perforated screen positioned within the casing. The screen is formed by a plurality of attached invertible and sexless sections. A plurality of hammer assemblies are rotatably positioned wit... | 01/25/1983 |
| 4202078 | Depither An improved apparatus for depithing fibrous vegetable material, such as sugarcane bagasse, comprises a rotary hammer assembly suspended from a rigid framework that is supported removably on an upright enclosure which itself is supported in functioning pos... | 05/13/1980 |
