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"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 |
| 7090562 | Methods of and apparatus for pre-planarizing a substrate Methods and apparatus are provided to provide a substantially uniform layer thickness above a wafer contour as the wafer rotates and is traversed past a pre-planarization tool. The tool has a shank defining an axis of rotation, and a planarization member coupled to ... | 08/15/2006 |
| 6254467 | Device for deburring workpieces, in particular moulded parts and castings made of plastics, rubber or the like The invention concerns a device for deburring workpieces, in particular moulded parts and castings made of plastics, rubber or the like, said device comprising a rotatable shank (1) and linear tool elements (5, 6) which, in the axial direction, extend coa... | 07/03/2001 |
| 6086466 | Centrifugal expansion roller for sanding machines A centrifugal expansion roller (1) for sanding machines, particularly floor sanders, of the type consisting of a metal core (3) with an outer elastomeric annular cover (4). The entire surface of the cover is provided with a plurality of longitudinal slits... | 07/11/2000 |
| 5921854 | Method and apparatus for sanding with a rotating roller The roller and belt assembly for mounting on a spindle or drive shaft comprises a closed loop belt having an inner surface and an outer surface, the inner surface having an engaging material thereon, and the outer surface having an abrasive or bussing mat... | 07/13/1999 |
| 5707279 | Abrasive tool An abrasive tool includes in combination a tubular sleeve of exteriorly coated abrasive which has an axial length and an inside diameter. A drive arbor for the sleeve includes a mandrel adapted to be rotated by a power tool and the like. An elastomeric ge... | 01/13/1998 |
| 5672096 | Inflatable tool An inflatable tool is used for abrading or finishing a surface of a workpiece. The inflatable tool includes an inflatable bladder clamped at first and second ends of a core having an elastomeric outer core portion. The inflatable bladder is inflated by a ... | 09/30/1997 |
| 5567197 | Apparatus for sanding and buffing with a rotating roller A soft sanding roller apparatus is provided with a soft compressible sanding sleeve and roller that allows a wide flat to form on the side of the sanding sleeve being pushed against a substrate, such as a piece of wood. The preferred sleeve is backed by a... | 10/22/1996 |
| 4291507 | High speed grinding wheel for glass A resilient disc shaped wheel and supported abrasive belt for grinding glass. A central bore in the wheel provides for mounting to a rotating drive shaft driven by a motor. Circumferentially spaced radially extending slits are disposed incrementally aroun... | 09/29/1981 |
