Title:
Electric lanterns or torches
United States Patent 3030497
Inventors:
Cheng, Wing G.
Publication Date:
04/17/1962
Export Citation:
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Assignee:
Cheng, Wing G.
Primary Class:
362/184
Other Classes:
340/321, 340/473, D26/44, D26/50
International Classes:
F21L2/00; F21L4/00; F21L4/02; F21L4/04; F21V21/26; F21L2/00; F21L4/00; F21V21/14
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US Patent References:
2861174Signal hand lamps
2581129Portable electric flashlight with retractable mount for auxiliary lamps
2566280Twin beam flashlight
0339052N/A