Electronic Door and Window Openers; Telephones; Electronic Page Turners; Electronic Calculators; Electronic Alarms; Radios; Televisions; Record Players; Tape Recorders; Adaptor Boxes; Distribution Boxes; Receivers; Transmittors; Single Electronic Instruments Used to Control a Number of Other Electronic Instruments by Remote Control; Electronic Multipliers which Allow Two Different Electronic Instruments to be Controlled Over a Single Channel; Dolleys for Integrated Installations-Namely, Wheeled Platforms Wired to Allow Electronic Units to Function While in Motion; Computerized Typewriters; Light Switches; Electronic Instruments by which Handicapped Individuals Control Other Electronic Instruments by Means of Touch or Voice; Electronic Instruments by which Movement of Handicapped Individuals are Noted by Means of Radar or Infrared Instruments; Telephone Apparatus Enabling Disabled Individuals to Use Telephones and Calculating Machines; Electronic Display Machines Enabling Disabled Individuals to Observe Letters or Numbers Typed by Such Individuals; Electric Enlarged Keyboards Enabling Disabled Persons to Type; Electric Miniature Keyboards Enabling Disabled Persons to Type; Electric Typewriter Controls for Disabled Persons and Structural Components for Aforementioned Items