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3915484
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Patent number 3,915,484
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Issue date Oct 28, 1975
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B60 - VEHICLES IN GENERAL
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3888524
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Patent number 3,888,524
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Issue date Jun 10, 1975
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B60 - VEHICLES IN GENERAL
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3289668
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Patent number 3,289,668
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Issue date Dec 6, 1966
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B60 - VEHICLES IN GENERAL
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3156492
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Patent number 3,156,492
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Issue date Nov 10, 1964
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B60 - VEHICLES IN GENERAL
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2216297
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Patent number 2,216,297
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Issue date Oct 1, 1940
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B60 - VEHICLES IN GENERAL
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2035533
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Patent number 2,035,533
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Issue date Mar 31, 1936
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B60 - VEHICLES IN GENERAL
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1793689
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Patent number 1,793,689
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Issue date Feb 24, 1931
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B60 - VEHICLES IN GENERAL