Explosion-proof lamp
United States Patent 3137804
US Patent References:
Electric safety lamp for miners
- - 1695794
Light filter for black and white and color television receivers
- - 2567713
Electric safety lamp for miners
- - 1695794
Light filter for black and white and color television receivers
- - 2567713
Inventors:
Rubens, Harry S.
Publication Date:
06/16/1964
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Export Citation:
Assignee:
ENGELHARD HANOVIA INC
Primary Class:
Other Classes:
313/323, 313/580, 362/267, 313/324
International Classes:
F21L14/00; F21V25/02; F21V25/12; F21V25/00