Title:
Method of introducing getter materials into incandescent lamps
United States Patent 1565579


Inventors:
Duncan, Macrae
Application Number:
US48809821A
Publication Date:
12/15/1925
Filing Date:
07/28/1921
Assignee:
WESTINGHOUSE LAMP CO
Primary Class:
Other Classes:
53/DIG.3, 141/11, 252/181.6, 313/545, 445/57
International Classes:
H01K1/54
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