LandOfFree - US Patents - Listing for Education and demonstration,Audio recording and visual means

Education and demonstration – Audio recording and visual means – Image projector

Mechanical assembly for audio-visual teaching machines

Education and demonstration – Audio recording and visual means

Memory scanning device

Education and demonstration – Audio recording and visual means – Visual information in book form

Method and apparatus for easily changing the menu of a juke box

Education and demonstration – Audio recording and visual means – Visual information in book form

Method and apparatus for providing training information...

Education and demonstration – Audio recording and visual means – Visual information in book form

Method and device for audibly instructing a user to interact...

Education and demonstration – Audio recording and visual means

Method and system for interactive case and video-based...

Education and demonstration – Audio recording and visual means – Visual information in book form

Method for making an electronic book for producing audible sound

Education and demonstration – Audio recording and visual means – Visual information in book form

Method of combining audio and visual indicia

Education and demonstration – Audio recording and visual means

Method of singing instruction

Education and demonstration – Audio recording and visual means – Visual information in book form

Multimedia-book operable with removable data storage media imple

Education and demonstration – Audio recording and visual means

Multiple listening training device and a multiple listening...

Education and demonstration – Audio recording and visual means – Visual information in book form

Multipurpose learning device