prov:value
| - r optical accessoriesUS5092552 *Apr 27, 1990Mar 3, 1992Wang Laboratories, Inc.Supporting a computer video monitorUS5609316 *Sep 5, 1995Mar 11, 1997Tigliev; George S.Suspension system for surgical microscopeUS5743503 *Mar 8, 1996Apr 28, 1998Ergotron, Inc.Computer suspension systemEP0445331A1 *Mar 7, 1990Sep 11, 1991First National Investments Ltd.Pivoting arm for a carrier plate, especially a video
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