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Valve stem seal
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Patent number 4,811,703
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Issue date Mar 14, 1989
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Microdot Inc.
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Brian F. Rericha
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Fixed valve stem oil seal
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Patent number 4,811,960
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Issue date Mar 14, 1989
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Microdot Inc.
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Bernard G. Stritzke
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Rotary shaft wave seal
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Patent number 4,789,166
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Issue date Dec 6, 1988
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Microdot Inc.
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Brian F. Rericha
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Fixed valve stem oil deflector
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Patent number 4,773,363
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Issue date Sep 27, 1988
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Microdot Inc.
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Bernard G. Stritzke
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Valve stem oil deflector
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Patent number 4,763,618
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Issue date Aug 16, 1988
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Microdot Inc.
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Bernard G. Stritzke
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Valve stem oil deflector
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Patent number 4,730,583
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Issue date Mar 15, 1988
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Microdot Inc.
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Bernard G. Stritzke
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES