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 |
| 7270192 | Portable adjustable hoof support stand A portable and adjustable hoof support stand is provided having a large tapered base, a hoof rest having adjustable side restraints, and a height adjustment means by which the height of the hoof rest may be adjusted vertically relative to the ground. ... | 09/18/2007 |
| 7210474 | Saw blade with cutting depth gauge Cutting tools are provided that include a circular core with a cutting means located on its periphery, a central bore to receive an arbor of a rotating power tool and one or more perforations extending through the central core. The perforations are disposed along a ... | 05/01/2007 |
| 5685375 | Farrier's tool A tool having both a brush and a rotary blade is used for cleaning the crease of a horse shoe. The rotary blade is run over a debris-filled crease in order to loosen and remove the debris. The loosened debris is then removed with the brush. The crease is ... | 11/11/1997 |
| 4776402 | Method and apparatus for removing excess hoof growth Excess hoof growth is removed from the hooves of dairy cows and other hooved animals by use of a power tool equipped with an apertured cutter disk whose upper face can be viewed by the operator so as to see an image of the field or area of cut through the... | 10/11/1988 |
| 4560006 | Apparatus for hoof working The disclosure relates to an apparatus for working of hooves of horses, on which two abutting faces are placed on each side of a rotating cutter or rasp, whereat one abutting face is placed at the same level as the surface of the rotating cutter or rasp a... | 12/24/1985 |
