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H05B31/0093
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Parent Industries
H
ELECTRICITY
H05
Electric techniques
H05B
ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
H05B31/00
Electric arc lamps
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H05B31/0093
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Patents Grants
last 30 patents
Information
Patent Grant
2628324
Patent number
2,628,324
Issue date
Feb 10, 1953
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
2571552
Patent number
2,571,552
Issue date
Oct 16, 1951
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
2309267
Patent number
2,309,267
Issue date
Jan 26, 1943
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
2200483
Patent number
2,200,483
Issue date
May 14, 1940
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
2168697
Patent number
2,168,697
Issue date
Aug 8, 1939
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
2165183
Patent number
2,165,183
Issue date
Jul 4, 1939
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
2160490
Patent number
2,160,490
Issue date
May 30, 1939
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
2094867
Patent number
2,094,867
Issue date
Oct 5, 1937
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1948669
Patent number
1,948,669
Issue date
Feb 27, 1934
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1775806
Patent number
1,775,806
Issue date
Sep 16, 1930
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1771283
Patent number
1,771,283
Issue date
Jul 22, 1930
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1723627
Patent number
1,723,627
Issue date
Aug 6, 1929
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1699509
Patent number
1,699,509
Issue date
Jan 15, 1929
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1684817
Patent number
1,684,817
Issue date
Sep 18, 1928
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1650849
Patent number
1,650,849
Issue date
Nov 29, 1927
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1650881
Patent number
1,650,881
Issue date
Nov 29, 1927
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1626932
Patent number
1,626,932
Issue date
May 3, 1927
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1626472
Patent number
1,626,472
Issue date
Apr 26, 1927
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1622505
Patent number
1,622,505
Issue date
Mar 29, 1927
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1555775
Patent number
1,555,775
Issue date
Sep 29, 1925
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1521361
Patent number
1,521,361
Issue date
Dec 30, 1924
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1268548
Patent number
1,268,548
Issue date
Jun 4, 1918
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1218509
Patent number
1,218,509
Issue date
Mar 6, 1917
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1088276
Patent number
1,088,276
Issue date
Feb 24, 1914
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1077398
Patent number
1,077,398
Issue date
Nov 4, 1913
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
1058514
Patent number
1,058,514
Issue date
Apr 8, 1913
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
913209
Patent number
913,209
Issue date
Feb 23, 1909
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
632707
Patent number
632,707
Issue date
Sep 12, 1899
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
599880
Patent number
599,880
Issue date
Mar 1, 1898
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
593697
Patent number
593,697
Issue date
Nov 16, 1897
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents