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Rotary machine and thermal cycle
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Patent number 6,684,825
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Issue date Feb 3, 2004
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Saddle Rock Technologies, LLC
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Ronnie J. Duncan
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Shaped charge engine
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Patent number 6,658,838
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Issue date Dec 9, 2003
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Saddle Rock Technologies, LLC
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Ronnie J. Duncan
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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Rotary machine and thermal cycle
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Patent number 6,484,687
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Issue date Nov 26, 2002
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Saddle Rock Technologies LLC
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Ronnie J. Duncan
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES