Movable display apparatus
United States Patent 2793452
US Patent References:
/0930963.html
- - 0930963

/1288928.html
- - 1288928

Stereoptical viewer with automatic picture change
- - 2679705


Inventors:
Cesar, Bustamante
Publication Date:
05/28/1957
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Assignee:
Cesar, Bustamante
Primary Class:
40/472
International Classes:
G09F11/12; G09F11/00