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Engine operation detection
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Patent number 5,705,999
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Issue date Jan 6, 1998
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Shell Oil Company
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Al West
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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Method for automated refuelling
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Patent number 5,628,351
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Issue date May 13, 1997
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Shell Oil Company
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William D. Ramsey
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...