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Bearing seal and retainer
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Patent number 4,944,610
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Issue date Jul 31, 1990
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Winfred M. Berg, Inc.
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Dennis G. Berg
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Bearing seal and retainer
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Patent number 4,869,602
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Issue date Sep 26, 1989
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Winfred M. Berg, Inc.
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Dennis G. Berg
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Flexible Coupling
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Patent number 4,487,591
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Issue date Dec 11, 1984
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Winfred M. Berg, Inc.
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Dennis G. Berg
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Lock washer
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Patent number 4,257,465
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Issue date Mar 24, 1981
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Winfred M. Berg, Inc.
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Dennis G. Berg
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...