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Segmental roller drive chain
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Patent number 4,266,435
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Issue date May 12, 1981
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Wilfrid H. Bendall
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Single rocker joint drive chain
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Patent number 4,227,425
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Issue date Oct 14, 1980
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Wilfrid H. Bendall
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Automatic clutch
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Patent number 4,190,138
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Issue date Feb 26, 1980
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Wilfrid H. Bendall
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Variable speed drive
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Patent number 4,078,442
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Issue date Mar 14, 1978
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Wilfrid H. Bendall
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Torsionally resilient gear coupling
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Patent number 4,047,395
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Issue date Sep 13, 1977
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Wilfrid H. Bendall
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Marine propulsion unit
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Patent number 4,010,707
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Issue date Mar 8, 1977
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Wilfrid H. Bendall
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Flexible couplings
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Patent number 3,955,377
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Issue date May 11, 1976
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Wilfrid H. Bendall
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...