4. Television
  5. Two-way video and voice communication
  6. User positioning

John P. Lappington

Inventor

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Digital cable headend for cable television delivery system

Interactive video distribution systems – User-requested video program system – Video-on-demand
Reexamination Certificate

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Digital cable headend for cable television delivery system

Television – Special applications – Manufacturing
Patent

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Input sensor circuit for a digital engine controller

Boots – shoes – and leggings
Patent

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Interactive television security through transaction time stampin

Television – Two-way video and voice communication – User positioning
Patent

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Interactive television security through transaction time stampin

Television – Special applications – Manufacturing
Patent

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Profile ID: LFUS-PAI-P-81387

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