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Strip measuring and centering system
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Patent number 5,488,867
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Issue date Feb 6, 1996
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Xecutek Corporation
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John A. Dorr
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Ultrasonic sensor system
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Patent number 4,815,046
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Issue date Mar 21, 1989
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Xecutek Corporation
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John A. Dorr
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Ultrasonic sensor system
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Patent number 4,779,240
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Issue date Oct 18, 1988
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Xecutek Corporation
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John A. Dorr
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Soundwave position digitizer
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Patent number 4,772,764
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Issue date Sep 20, 1988
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Xecutek Corporation
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John A. Dorr
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G06 - COMPUTING CALCULATING COUNTING
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Ultrasonic transducer
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Patent number 4,735,096
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Issue date Apr 5, 1988
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Xecutek Corporation
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John A. Dorr
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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