Title:
Glass building block having lightdirecting properties
Document Type and Number:
United States Patent 2844998


Inventors:
Vincent, Harvard B.
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Sponsored by:
Flash of Genius
Publication Date:
07/29/1958
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Referenced by:
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Assignee:
OWENS ILLINOIS GLASS CO
Primary Class:
359/593
Other Classes:
52/306, 359/594, 52/437
International Classes:
E04C1/42; F21S11/00; F21V5/08; E04C1/00; F21V5/00
US Patent References:
0721259
0755197
2179862Reflecting brick and walls and buildings utilizing the same
2179863Light directing brick and walls and buildings utilizing the same


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