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US1086591A
|
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Vacuum cleaning apparatus.
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US1153446A
|
|
Lamp and reflector.
|
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US1153445A
|
|
Lamp.
|
|
US1067264A
|
|
Holder for glowers.
|
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US1029114A
|
|
Heater and glower renewal for lamps.
|
|
US1037779A
|
|
Means for holding globes.
|
|
US1081072A
|
|
Guard for springs.
|
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CA125218A
|
|
Nernst lamp
|
|
CA125219A
|
|
Nernst lamp
|
|
CA125217A
|
|
Nernst lamp body
|
|
CA125216A
|
|
Nernst lamp
|
|
US1048231A
|
|
Method of manufacturing carborundum filaments.
|
|
US1000471A
|
|
Electric lamp.
|
|
US1026126A
|
|
Advertisement-displaying apparatus.
|
|
US983364A
|
|
Fixture-lamp.
|
|
US975126A
|
|
Nernst-lamp body.
|
|
US979455A
|
|
Heater and glower renewal for second-class-conductor lamps.
|
|
US977198A
|
|
Cooling-vane for second-class glower-lamps.
|
|
US1106960A
|
|
Electric glow-lamp.
|
|
US1106961A
|
|
Electric glow-lamp.
|
