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Conductive idler sheave
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Patent number 4,716,997
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Issue date Jan 5, 1988
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Otis Elevator Company
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William H. Gibson
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B60 - VEHICLES IN GENERAL
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3829631
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Patent number 3,829,631
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Issue date Aug 13, 1974
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B60 - VEHICLES IN GENERAL
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2855470
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Patent number 2,855,470
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Issue date Oct 7, 1958
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B60 - VEHICLES IN GENERAL
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2764644
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Patent number 2,764,644
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Issue date Sep 25, 1956
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B60 - VEHICLES IN GENERAL
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2761025
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Patent number 2,761,025
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Issue date Aug 28, 1956
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B60 - VEHICLES IN GENERAL
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2495750
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Patent number 2,495,750
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Issue date Jan 31, 1950
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B60 - VEHICLES IN GENERAL
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2396049
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Patent number 2,396,049
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Issue date Mar 5, 1946
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B60 - VEHICLES IN GENERAL
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2343693
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Patent number 2,343,693
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Issue date Mar 7, 1944
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B60 - VEHICLES IN GENERAL
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2291756
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Patent number 2,291,756
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Issue date Aug 4, 1942
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B60 - VEHICLES IN GENERAL
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2227229
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Patent number 2,227,229
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Issue date Dec 31, 1940
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B60 - VEHICLES IN GENERAL
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2222641
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Patent number 2,222,641
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Issue date Nov 26, 1940
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B60 - VEHICLES IN GENERAL
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2063291
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Patent number 2,063,291
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Issue date Dec 8, 1936
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B60 - VEHICLES IN GENERAL
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2046482
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Patent number 2,046,482
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Issue date Jul 7, 1936
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B60 - VEHICLES IN GENERAL
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2031081
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Patent number 2,031,081
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Issue date Feb 18, 1936
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B60 - VEHICLES IN GENERAL
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1988415
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Patent number 1,988,415
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Issue date Jan 15, 1935
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B60 - VEHICLES IN GENERAL
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1963592
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Patent number 1,963,592
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Issue date Jun 19, 1934
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B60 - VEHICLES IN GENERAL
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1960441
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Patent number 1,960,441
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Issue date May 29, 1934
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B60 - VEHICLES IN GENERAL
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1953662
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Patent number 1,953,662
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Issue date Apr 3, 1934
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B60 - VEHICLES IN GENERAL
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1927906
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Patent number 1,927,906
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Issue date Sep 26, 1933
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B60 - VEHICLES IN GENERAL
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1927907
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Patent number 1,927,907
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Issue date Sep 26, 1933
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B60 - VEHICLES IN GENERAL
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1925741
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Patent number 1,925,741
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Issue date Sep 5, 1933
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B60 - VEHICLES IN GENERAL
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1906097
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Patent number 1,906,097
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Issue date Apr 25, 1933
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B60 - VEHICLES IN GENERAL