Title:
Display device
Document Type and Number:
United States Patent 1767745
Inventors:
Day, Zeno W.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
06/24/1930
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Referenced by:
Export Citation:
Assignee:
Day, Zeno W.
Primary Class:
Other Classes:
248/220.410, 248/222.120, 24/458
International Classes:
G09F1/10; G09F15/02; G09F1/00; G09F15/00