research
 Patents
 Books
 Literature
 Articles
 Timeline
 Auction Archive

about
 About this site
 Wanted to buy

bulb gallery

Incandescent:
C
carbon
WD
drawn tungsten
WC
coiled tungsten
WM
mini tungsten
WS
pressed tung.
FG
figural bulbs
XL
christmas
XS
christmas sets
T
tantalum

Discharge:
HE
helium lamps
NE neon lamps
AR
argon lamps
XE
xenon lamps
MA
mercury
MC
fluorescent
MS
special mercury

Hardware:
F
fuses
FX
fixtures
PF
plugs & fittings
SA
sockets
SW
switches

tube gallery

 X-ray
 Geissler
 Crookes
 Radio
 Box art

collector
profiles

Dr. Hugh Hicks
S.Slabyhoudek
M-Jay

Fort Myers, FL.
Monsieur Ara
Fin Stewart

links

 Related links
 Submit a link

 


Gas Discharge Lamp Patents 104 files found on 13 pages.
Displaying 8 files per page.
Gateway > Patent Archive > Gas Discharge Lamp Patents > Page 6  
[Sort: name hits]   [Thumbs/Page: 8 12 16]   
Subcategories 
Design Patents (6)
Click to viewClick to viewClick to viewClick to view
001949963

FRED HOTCHNER
POSITIVE COLUMN LAMP LETTER
Patented 03/06/1934

Hits: 3001

001951117

FRANZ ABSHAGEN
GASEOUS ELECTRIC DISCHARGE DEVICE
GENERAL ELECTRIC COMPANY
Patented 03/13/1934

Hits: 3659

001951137

HANS EWEST
GASEOUS ELECTRIC DISCHARGE DEVICE
GENERAL ELECTRIC COMPANY
Patented 03/13/1934

Hits: 3678

001954420

STUART F. MARVIN, PHILIP J. KAYATT
GLOWLAMP
RADIO INVENTIONS, INC.
Patented 04/10/1934

Hits: 3114

Click to viewClick to viewClick to viewClick to view
001954421

STUART F. MARVIN, PHILIP J. KAYATT
GLOWLAMP
RADIO INVENTIONS, INC.
Patented 04/10/1934

Hits: 3088

001954958

EDWIN H. SMYTHE
ELECTRIC GLOW DISCHARGE DEVICE
BELL TELEPHONE LABORATORIES
Patented 04/14/1934

Hits: 3719

001960245

ANDREW F. HENNINGER
FLASHING NEGATIVE GLOW DISPLAY DEVICE
Patented 05/29/1934

Hits: 3144

001965582

TED EUGENE FOULKE
ELECTRIC DISCHARGE DEVICE
GENERAL ELECTRIC VAPOR LAMP COMPANY
Patented 07/10/1934

Hits: 3946

[<<] Prev 1 2 3 4 5 (6) 7 8 9 10 11 12 Next [>>]