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Gas Discharge Lamp Patents 104 files found on 13 pages.
Displaying 8 files per page.
Gateway > Patent Archive > Gas Discharge Lamp Patents > Page 5  
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Subcategories 
Design Patents (6)
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001905697

HEINRICH FRIEDRICHSEN
POLARITY INDICATOR
GENERAL ELECTRIC COMPANY
Patented 04/25/1933

Hits: 3803

001912146

JOHN B. JOHNSON
GLOW DISCHARGE DEVICE
BELL TELEPHONE LABORATORIES
Patented 05/30/1933

Hits: 3538

001925693

FRANK GRAY
GLOW DISCHARGE LAMP
BELL TELEPHONE LABORATORIES
Patented 09/05/1933

Hits: 3760

001926889

HOWARD W. WEINHART
GLOW DISCHARGE LAMP
BELL TELEPHONE LABORATORIES
Patented 09/12/1933

Hits: 3626

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001928407

JOHN C. BATCHELOR
LUMINOUS SIGN
RADIO CORPORATION OF AMERICA
Patented 09/26/1933

Hits: 3605

001938538

ANDREW F. HENNINGER JR.
NEGATIVE GLOW SYSTEM FOR CREATING ILLUSION OF MOTION
Patented 12/05/1933

Hits: 5965

001940630

STUART F. MARVIN, PHILIP J. KAYATT
GLOW LAMP
RADIO INVENTIONS, INC.
Patented 12/19/1933

Hits: 3097

001944929

LEE DEFOREST
GASEOUS DISCHARGE DEVICE
GENERAL TALKING PICTURES CORPORATION
Patented 01/30/1934

Hits: 3518

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