Title:
Display device
United States Patent 2183426
Inventors:
Hart, Henry A.
Publication Date:
12/12/1939
Export Citation:
Click for automatic bibliography generation
Assignee:
Hart, Henry A.
Primary Class:
40/410
Other Classes:
40/800, 428/15, 428/29, 968/497
International Classes:
G04C5/00; G04C5/00
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