| http://www.w3.org/ns/prov#value | - stemUS5331353 *Mar 9, 1993Jul 19, 1994Mindmaster Inc.Device for limiting the amount of time an electrical appliance such as a television may be usedUS5408258 *Apr 21, 1993Apr 18, 1995The Arbitron CompanyMethod of automatically qualifying a signal reproduction device for installation of monitoring equipmentUS5552837 *Mar 1, 1995Sep 3, 1996Gemstar Development CorporationRemote controller for scannin
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