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3631606
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Information
Patent Grant
3631606
References
Source
Patent Number
3,631,606
Date Filed
Not available
Date Issued
Tuesday, January 4, 1972
53 years ago
CPC
G09B5/02 - with visual presentation of the material to be studied
G06F3/0202 - Constructional details or processes of manufacture of the input device
G06F3/033 - Pointing devices displaced or positioned by the user
G05B2219/36127 - Menu, help menu for operator, messages
US Classifications
434 - Education and demonstration
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