"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7045219 | Short metal fibers The present invention relates to short metal fibers. A set of short metal fibers, with an equivalent diameter ranging from 1 to 150 $(m)m, comprises entangled and curved fibers. At least 10% of the short metal fibers are entangled, whereas the length of the curved f... | 05/16/2006 |
| 6583074 | Nonwoven metal fabric A nonwoven, metal fabric is formed by providing a mass of loose fibers with sufficient lubricating oil for them to be carded without disintegration of the fiber web. The fiber web is then lapped and needled to form a metal fabric of superior strength, den... | 06/24/2003 |
| 6249941 | Nonwoven metal fabric and method of making same A nonwoven, metal fabric is formed by providing a mass of loose fibers with sufficient lubricating oil for them to be carded without disintegration of the fiber web. The fiber web is then lapped and needled to form a metal fabric of superior strength, den... | 06/26/2001 |
| 4640156 | Production of short metal fibers Short metal fibers are directly produced from a work metal block. The product fibers are very thin and short, e.g., 200 μm in diameter and 20 mm in length to the maximum. A bar like or pillar like metal bar is rotated, to which an elastic cutting tool is... | 02/03/1987 |
| 4104900 | Process for making metal fibers Metal fibers of uniform or other predetermined sizes are made by knurling a pattern of ridges and depressions on the surface of a metal workpiece. The fibers are formed by shaving the ridges from the knurled surface. The knurling-shaving process is repeat... | 08/08/1978 |
| 3969085 | Wire and method for making steel wool A wire for making steel wool has, in cross-sectional profile, a straight top, a pair of sides extending down from said top, and a downwardly and outwardly concave bottom. The sides either taper regularly down from said top toward said bottom so as to impa... | 07/13/1976 |