Direct line wire control

Patents Grantslast 30 patents

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    3544960

    • Patent number 3,544,960
    • Issue date Dec 1, 1970
    • B61 - RAILWAYS
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    2856516

    • Patent number 2,856,516
    • Issue date Oct 14, 1958
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    2816217

    • Patent number 2,816,217
    • Issue date Dec 10, 1957
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    2348666

    • Patent number 2,348,666
    • Issue date May 9, 1944
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    2224401

    • Patent number 2,224,401
    • Issue date Dec 10, 1940
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    2216626

    • Patent number 2,216,626
    • Issue date Oct 1, 1940
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    2216483

    • Patent number 2,216,483
    • Issue date Oct 1, 1940
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    2215897

    • Patent number 2,215,897
    • Issue date Sep 24, 1940
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    2175586

    • Patent number 2,175,586
    • Issue date Oct 10, 1939
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    2167993

    • Patent number 2,167,993
    • Issue date Aug 1, 1939
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    2166083

    • Patent number 2,166,083
    • Issue date Jul 11, 1939
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    2163881

    • Patent number 2,163,881
    • Issue date Jun 27, 1939
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    2156042

    • Patent number 2,156,042
    • Issue date Apr 25, 1939
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    2153520

    • Patent number 2,153,520
    • Issue date Apr 4, 1939
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    2145795

    • Patent number 2,145,795
    • Issue date Jan 31, 1939
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    2136159

    • Patent number 2,136,159
    • Issue date Nov 8, 1938
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    2132139

    • Patent number 2,132,139
    • Issue date Oct 4, 1938
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    2116178

    • Patent number 2,116,178
    • Issue date May 3, 1938
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    2106990

    • Patent number 2,106,990
    • Issue date Feb 1, 1938
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    2107163

    • Patent number 2,107,163
    • Issue date Feb 1, 1938
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    2097794

    • Patent number 2,097,794
    • Issue date Nov 2, 1937
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    2092197

    • Patent number 2,092,197
    • Issue date Sep 7, 1937
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    2090916

    • Patent number 2,090,916
    • Issue date Aug 24, 1937
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    2085886

    • Patent number 2,085,886
    • Issue date Jul 6, 1937
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    2083525

    • Patent number 2,083,525
    • Issue date Jun 8, 1937
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    2063215

    • Patent number 2,063,215
    • Issue date Dec 8, 1936
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    2060486

    • Patent number 2,060,486
    • Issue date Nov 10, 1936
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    2060487

    • Patent number 2,060,487
    • Issue date Nov 10, 1936
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    2060485

    • Patent number 2,060,485
    • Issue date Nov 10, 1936
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    2060488

    • Patent number 2,060,488
    • Issue date Nov 10, 1936
    • B61 - RAILWAYS