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Incandescent:
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Discharge:
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Fort Myers, FL.
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Electrical Hardware Patents 47 files found on 6 pages.
Displaying 8 files per page.
Gateway > Patent Archive > Electrical Hardware Patents > Page 4  
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000418426

FRANK THONE
INCANDESCENT ELECTRIC LAMP SOCKET
Patented 12/31/1889

Hits: 1464

000421802

JOHN F. WOLLENSAK
FLEXIBLE ELECTRIC CONNECTION
Patented 02/18/1890

Hits: 1390

000434153

PHILIP LANGE
INCANDESCENT LAMP SOCKET
WESTINGHOUSE ELECTRIC COMPANY
Patented 08/12/1890

Hits: 1746

000438310

THOMAS A. EDISON
LAMP BASE
Patented 10/14/1890

Hits: 1568

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000439365

ALFRED SWAN
INCANDESCENT LAMP SOCKET
INSULITE MANUFACTURING COMPANY
Patented 10/28/1890

Hits: 1913

000439366

ALFRED SWAN
INCANDESCENT ELECTRIC LAMP SOCKET
INSULITE MANUFACTURING COMPANY
Patented 10/28/1890

Hits: 1917

000439367

ALFRED SWAN
INCANDESCENT ELECTRIC LAMP SOCKET
INSULITE MANUFACTURING COMPANY
Patented 10/28/1890

Hits: 1928

000456327

WALTER FRANCIS SMITH
CUT-OUT FOR ELECTRIC LAMPS
UNITED GAS IMPROVEMENT COMPANY
Patented 07/21/1891

Hits: 1735

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