Title:
Electron emitter
Document Type and Number:
United States Patent 2041802

Inventors:
Wilson, James R.
Acker, John T.
Hartman, Charles D.
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Sponsored by:
Flash of Genius
Publication Date:
05/26/1936
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Referenced by:
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Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
428/471
Other Classes:
427/376.100, 252/521.200, 252/519.320, 445/6, 427/77, 427/226, 445/51, 252/521.500
International Classes:
H01J9/04




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