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Title:
BUBBLING DISPLAY DEVICE
United States Patent 3499238
Inventors:
Publicker, Sidney
Application Number:
US3499238DA
Publication Date:
03/10/1970
Filing Date:
06/09/1967
Assignee:
Sidney, Publicker
Primary Class:
Other Classes:
40/540
International Classes:
F21S10/00; G09F13/24; (IPC1-7): G09F13/24
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