Title:
Explosion-proof physician's lamp
United States Patent 3042797
Inventors:
Rubens, Harry S.
Publication Date:
07/03/1962
Export Citation:
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Assignee:
ENGELHARD HANOVIA INC
Primary Class:
362/311.03
Other Classes:
224/181, 362/311.06, 362/396, D26/39
International Classes:
F21L4/00; F21V25/00; F21V25/12; F21L4/00; F21V25/00
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US Patent References:
2517422Forehead lamp device for doctors
2312613N/A
1414381Humidor
Foreign References:
DE169777C
FR163305A
DE538104C
GB407766A