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Electromagnetic devices
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Patent number 4,090,097
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Issue date May 16, 1978
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Simms Group Research & Development Limited
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Alec Harry Seilly
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H01 - BASIC ELECTRIC ELEMENTS
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Actuating devices
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Patent number 4,017,754
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Issue date Apr 12, 1977
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Simms Group Research & Development Limited
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Boaz Antony Jarrett
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H01 - BASIC ELECTRIC ELEMENTS
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Electromagnetic devices
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Patent number 4,003,013
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Issue date Jan 11, 1977
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Simms Group Research & Development Limited
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Alec Harry Seilly
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H01 - BASIC ELECTRIC ELEMENTS
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Weighing device
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Patent number 3,935,915
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Issue date Feb 3, 1976
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Simms Group Research & Development Limited
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Alec Harry Seilly
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B60 - VEHICLES IN GENERAL